Launches, missions, and the frontier of space exploration.
AI-verified space intelligence with full provenance tracking.
The four-person crew will test crucial rendezvous and docking procedures with lunar landers in Earth orbit ahead of a planned 2028 Moon landing.
NASA's experimental X-59 jet will attempt to break the sound barrier for the first time, aiming to replace sonic booms with a quiet thump.
The company founded by SpaceX's first employee will expand production of orbital transfer vehicles for commercial and government customers.
SpaceX plans to launch orbital AI computing tests by late 2027 and has requested regulatory permission for up to one million data-center satellites.
NASA has selected four astronauts for Artemis III, the critical mission to test systems for a future lunar landing.
SpaceX's satellite internet service shifts from one-time hardware purchases to a recurring rental model, increasing monthly costs for subscribers.
Astronomers harnessed the James Webb Space Telescope to gauge the mass of an invisible, quiescent black hole by studying stars orbiting it.
A new vertical wind tunnel at NASA aims to advance aircraft stability and spin recovery research for atmospheric vehicles.
A new thruster using a single monopropellant for both chemical and electric modes aims to reduce mass and complexity for deep-space missions.
The U.S. Space Force has selected Viasat and Intelsat to build the first of a new generation of protected, anti-jam communication satellites.
Scientists have identified a 3.5-billion-year-old asteroid impact on the moon, offering a rare window into Earth's early history.
The U.S. Coast Guard is deploying Saildrone's Voyager uncrewed surface vessels to enhance persistent maritime awareness in northern waters.
A new CalTech study suggests Neptune's orbit and unusual moons resulted from Triton's destruction of the planet's original satellite system, with Nereid as the sole survivor.
The record-breaking IPO is expected to raise at least $85 billion, with first trades scheduled for Friday.
A new study suggests the early outer solar system could have hosted up to six giant planets, including two 'super Earths' that later vanished.
A committee is updating protocols for confirming and announcing extraterrestrial detections, addressing challenges from AI, deepfakes, and social media.
The new risk intelligence platform aims to become the infrastructure layer for managing threats across the accelerating space economy.
Brokerages including Charles Schwab and Fidelity will offer SpaceX shares, but retail investor allocation remains uncertain.
The National Reconnaissance Office awards BlackSky a contract for new satellites featuring an AI-optimized image detection system.
NASA astronaut Jessica Meir photographed rare snake-like auroral displays from orbit while sheltering inside a SpaceX Dragon spacecraft.
French astronaut Thomas Pesquet will fly to space again in 2027 alongside Arnaud Prost, part of an agreement between France and American company Vast.
A mobile water recycling unit built at Kennedy Space Center has arrived at the University of North Dakota for testing under simulated lunar conditions.
SpaceX, Anthropic, and OpenAI could launch IPOs adding up to $4 trillion to US stock market value, with SpaceX reportedly seeking $75 billion in its first raise.
A new idea from researchers suggests releasing gases from satellites to create a protective shield against severe space weather.
Researchers using Australia's ASKAP radio telescope have identified the source of repeating radio bursts as a white dwarf siphoning material from a red dwarf companion.
The rapid expansion of activity in low Earth orbit drives urgency for effective space traffic management, experts say.
Major Chinese solar manufacturers and research institutes have launched a new alliance to develop space-based solar energy, seeking new growth avenues amid severe domestic overcapacity.
A new paper warns that small sample sizes and ambiguous signals could undermine the search for extraterrestrial life, even with multi-billion-dollar telescopes.
A new study warns that exotic materials from spacecraft re-entries could harm atmospheric chemistry and calls for global environmental rules.
Thomas Pesquet and Arnaud Prost will embark on separate space missions in 2027, with one visiting the first commercial space station and the other traveling to the ISS.
Direct-to-cell technology uses LEO satellites as spaceborne towers to deliver LTE services to unmodified smartphones, addressing global coverage gaps.
This week's launch manifest features six missions from five providers, with SpaceX and Chinese rockets deploying internet satellites to low Earth orbit.
Scientists propose an ecology-based approach to evaluate whether subsurface oceans on moons like Enceladus and Europa could support life.
Astronomers have detected unusual wind patterns on seven hot Jupiters, providing the strongest evidence to date that these worlds may generate magnetic fields.
Scott Wray, NASA's lead for Artemis extravehicular activity training, details how his lifelong fascination with spacewalks informs the development of lunar surface procedures.
A UK Space Agency deal with US startup Vast may send John McFall to the Haven-1 space station, potentially making him the first person with a physical disability to live in space.
The agency abandons a controversial procurement strategy that sought to require a government-owned core module in future private stations.
A 2015 image from space reveals dark-orange water seeping across the bright-white floor of a high-altitude salt lake in Bolivia.
A planetary conjunction of Jupiter and Venus, a strawberry moon, and nine other celestial events highlight the June 2026 night sky.
A new lab experiment explores the use of lightning-like plasma jets to sterilize gear on the moon and Mars without water.
New research suggests early universe black holes found by JWST are within normal mass distribution, not requiring exotic formation mechanisms.
NASA has completed final inspection of the Roman Space Telescope's 2.4-meter infrared mirror, clearing a key milestone ahead of launch.
A recent paper presented at EGU26 in Vienna shows the dwarf planet Ceres has a more intricate surface than previously understood.
NASA awarded Denmar Technical Services a contract for modifications, maintenance, and testing of its reduced gravity aircraft, supporting human spaceflight research.
NASA’s Jared Isaacman warns that Blue Origin’s damaged launchpad may not be restored until 2028, impacting Artemis lunar program timelines.
New research offers a method to detect invisible exoplanets by analyzing the rings they create around stars.
SpaceX's amended IPO filing flags potential substantial share issuance, coinciding with a broad sell-off in space-related equities ahead of the company's public debut.
NASA’s Nancy Grace Roman Space Telescope is expected to detect 100,000 exoplanets — more than all previous missions combined — as it prepares for delivery to Kennedy Space Center.
Venus and Jupiter converge after sunset, the Moon occults Venus, and summer solstice brings deep-sky celestial treasures into view.
New 3D simulations suggest stellar explosions and winds shape hub-and-spoke patterns in molecular clouds, influencing star formation efficiency in the Milky Way.
A new paper proposes Earth's molten phase endured up to half a billion years, reshaping theories about the conditions for life's emergence.
Northrop Grumman partners with satellite startup Apex to develop and demonstrate a space-based interceptor for the Golden Dome missile defense architecture.
Hungarian researchers propose a definitive upper mass boundary for neutron stars, beyond which collapse into a black hole is inevitable.
New research using ISS observations refines models of mineral dust's climate impact, reducing uncertainty over iron-rich particles.
SpaceX identifies water scarcity as a significant challenge for cooling its data centers, potentially impacting its public offering.
SpaceX targets retail investors with a $75B IPO as Nasdaq and FTSE shorten entry timelines and the company reserves up to 5% of shares for employees.
Astronomers have directly observed the rotation of a protoplanetary disk around the young star AB Aurigae, revealing unexpected motion that hints at forming giant planets.
A new study suggests Jupiter's gravitational influence created a pressure bump in the early solar disk that filtered dust and led to the formation of planetesimals with varied compositions.
The U.S. National Security Space Launch program is expected to proceed without significant delays despite the recent New Glenn failure, due to continued reliance on the Falcon 9 rocket.
The biannual urban phenomenon where the setting sun aligns with Manhattan's street grid is back, with a second chance to witness it in July.
Researchers used a novel climate model to forecast conditions on tidally locked exoplanets TRAPPIST-1e and -1f with lower computational cost.
A new study suggests a third ice giant once existed in our solar system, potentially triggering a planetary reshuffling that shaped the moons of Jupiter and Uranus.
The explosion of Blue Origin's New Glenn rocket has significant implications for NASA's Artemis program.
A composite image combining X-ray and infrared data reveals a young star cluster approximately 20,000 light-years away.
NASA launches a variety of STEM engagement opportunities for students and families to explore space science and creativity during the summer.
New Hubble imagery reveals the active spiral galaxy Messier 88 on a hundred-million-year journey toward the center of the Virgo cluster, where it will lose the gas needed to form new stars.
Construction of a spaceport on a Portuguese Atlantic island signals the nation's ambition to enter the space race, while new US legislation on spaceport facility bonds promises to transform how such projects are funded.
Venus, Jupiter, and Mercury will be visible together in June's evening sky, offering a rare planetary alignment for stargazers.
Observations from the James Webb Space Telescope have uncovered a supermassive black hole in a distant galaxy, offering new insights into the mysterious 'Little Red Dots.'
The maiden flight delivered Qianfan satellites to orbit without advance notice, marking a milestone for reusable launch technology.
Blue Origin's New Glenn rocket is out of service for at least a year after a failure, worsening launch capacity shortages.
A University of Sydney-led team has identified a rare stellar system that offers the clearest evidence yet for the source of an unusual class of cosmic signals.
The Nancy Grace Roman Space Telescope's massive infrared mirror is ready for integration, marking a major milestone ahead of its planned 2027 launch.
The combination of exploding rockets and surging hardware prices creates a challenging new normal for consumers and space agencies alike.
SpaceX says its upcoming IPO is helping create one of the most advanced civilizations in the Milky Way, according to a Forbes report.
Astrochemists find that shock waves from young stars help forge complex carbon-based molecules essential for life.
The Search for Extraterrestrial Intelligence gains momentum as advanced technologies expand the scope of future surveys.
Blue Origin's lunar lander survived extreme thermal-vacuum testing, hours after a New Glenn upper stage explosion threatened to delay national security missions.
A new scientific paper argues that even if we detect a biosignature on another world, it may not provide meaningful insights about life in the universe.
Elon Musk’s SpaceX is preparing a public listing that may force index funds and brokerages to overhaul how they handle mega-cap stocks.
A new mathematical analysis suggests dark energy may not be needed to explain the universe's accelerating expansion, upending a cornerstone of cosmology.
SpaceX is reportedly targeting a valuation of at least $1.8 trillion in its upcoming IPO, a decrease from the $2 trillion figure previously reported in April.
An early galaxy protocluster discovered 12.6 billion years ago using the Subaru Telescope reveals how cosmic environments shape galactic star formation.
A meteor exploded north of Cape Cod Bay on Saturday, causing a sonic boom detected by satellites and residents.
A new rover concept mimics the sandfish lizard's locomotion to navigate Martian terrain using curved wheels.
Astronomers using the James Webb Space Telescope have found a stellar bar in a galaxy just 1.5 billion years after the Big Bang, challenging existing theories of early galaxy evolution.
The long-anticipated SpaceX IPO is set for June 12, with its prospectus detailing revenue, profitability, and strategic risks, driving investor interest in space-focused equities.
Ars Technica revisits the 1986 film 'SpaceCamp' on its 40th anniversary, calling it a hidden gem, cult classic, and hopelessly dumb—all at once.
A new roundup highlights 11 cozy sci-fi games that blend relaxing gameplay with space themes.
The James Webb Space Telescope has identified the most chemically primitive galaxy ever observed in the early universe.
As the space sector matures into big business, investors are looking beyond SpaceX to other publicly traded space stocks for growth.
Federal Aviation Administration documents detail SpaceX's Starfall project to develop reentry vehicles for in-space manufacturing.
A new image of the Crystal Ball Nebula reveals a dying star system similar to what our sun will become.
Space.com explores the feasibility of using solar sails to send humans beyond the solar system, deeming the concept realistic rather than futuristic.
Despite a $1.8 trillion IPO valuation and Starship progress, SpaceX's path to market supremacy is challenged by rivals and regulatory barriers.
Hong Kong's technology chief announced the city may welcome the Shenzhou-23 crew, featuring historic local astronaut Lai Ka-ying, as early as the first half of 2027.
A rare blue micromoon, the farthest and dimmest full moon of the year, will be visible this weekend.
SpaceX's successful Starship V3 launch and its significant Bitcoin holdings are fueling investor interest in Asian companies poised to benefit from the AI boom.