ASTRID traces 13.5 billion years of black hole and galaxy evolution
In dark skies at night, distant starlight twinkles and speaks to vast cosmic histories almost as old as time itself. New data from instruments such as NASA's James Webb Space Tele…
Milky Way's own gravity can mimic dark matter clues, stellar stream simulations suggest
Most of the stars in our Milky Way galaxy sit neatly on a flat plane. But the space around our galaxy is much more chaotic. Rogue bands of stars called "stellar streams" orbit the…
James Webb Space Telescope observes 72 stars and finds planet formation is a race against time
Using the James Webb Space Telescope, astronomers have studied 72 young sun-like stars to discover that forming planets is a real race against time.
Astronaut Jonny Kim leaves NASA, will return to active military duty
NASA astronaut Jonny Kim is leaving the space agency to continue his military career. Kim, who's also a medical doctor, completed one spaceflight during his NASA career.
NASA Invites Media to Turkey Artemis Accords Signing Ceremony
Turkey will sign the Artemis Accords during a ceremony at 2:30 p.m. EDT Monday, Aug. 31, at NASA Headquarters in Washington, becoming the 71st country signatory. NASA Administrato…
Civil Servants Sworn in at NASA Ames
New civil servants and guests pose for a group photo with NASA and center leadership in the National Full-Scale Aerodynamics Complex (NFAC) 80-by-120-foot test section, N221 on Au…
After failure of private rescue mission, NASA's Swift space telescope will crash back to Earth. But when and where?
A private spacecraft failed to rescue NASA's Swift space telescope, meaning the big observatory will come crashing back to Earth in the near future. But details are sparse at the …
9 Things to Know About NASA’s Nancy Grace Roman Space Telescope
NASA’s Nancy Grace Roman Space Telescope is set to launch at 7:26 a.m. EDT on Sunday, Aug. 30. While you wait to watch the launch, brush up on some key facts about this wide-view …
Starship is coming home! SpaceX loads floating spacecraft onto huge ship in the Indian Ocean (photos)
SpaceX has loaded Flight 13's Starship upper stage onto a ship in the Indian Ocean, more than a month after the vehicle splashed down. It is now headed home to Texas.
NASA Johnson pilots chase moon's shadow for eclipse science
During the Aug. 12 total solar eclipse over Europe, scientists aimed to study a long-standing mystery: why the sun's outer atmosphere, the corona, is far hotter than its visible s…
NASA Astronaut Jonny Kim Departs Agency to Continue Military Service
After nearly a decade of service to NASA, including an eight-month science expedition aboard the International Space Station, astronaut Jonny Kim’s last day at the agency is Thurs…
Trump tried to scrap NASA's Roman Space Telescope last year. Now it's ready to launch
NASA's Nancy Grace Roman Space Telescope is about to launch, but the observatory almost had a very different fate. President Trump's leaked budget proposal last year marked it for…
Mars rovers give scientists a ground‑level view of the red planet—peek inside their NASA control room
Lights blink on as I enter the Rover Operations Center at NASA's Jet Propulsion Laboratory in Pasadena, California, at 7:30 a.m. I'm the first to arrive, even though I already fee…
NASA's Webb telescope rules out two new Dyson sphere candidates
The latest Swedish-led search for technosignatures in the form of Dyson spheres has again come up empty-handed. The two latest stellar candidates in the hunt for such hypothetical…
On this day in space! Aug. 27, 1962: NASA launches Mariner 2 to Venus for ambitious flyby
On Aug. 27, 1962, NASA launched Mariner 2, the world's first spacecraft to successfully visit another planet: Venus.
Glowing galaxy with anomalous extra arms | Space photo of the day for Aug. 27, 2026
A trio of NASA space telescopes teamed up to capture a gorgeous new look at the glowing spiral galaxy NGC 4258 and its two anomalous extra arms.
Venus's mysterious clouds may hide an exceptionally strong light absorber
Venus appears pale yellow in visible light, but ultraviolet images reveal dramatic dark and bright patterns moving with the planet's upper sulfuric acid clouds. Scientists have kn…
'Strange New Worlds' latest episode wastes a lot of time pretending to kill off major 'Star Trek' characters
The impending death of a major character isn't a threat when canon is there to save them.
New clues about how space travel may affect women's health
As space missions become longer and ambitions for deep-space travel grow, scientists are working to understand how life beyond Earth may affect every system in the human body. Two…
Watch powerful Ariane 6 rocket launch European weather satellite to orbit today
Europe's Ariane 6 rocket will launch the MTG-I2 weather satellite to orbit today (Aug. 27), and you can watch the action live.
An impressive partial lunar eclipse will turn the moon an eerie red for millions of people tonight
Tonight's deep partial lunar eclipse will be the most impressive lunar eclipse until New Year's Eve 2028, so make sure you catch it if you can!
APOD: 2026 August 27 – Colorful Aurora over an Icelandic Waterfall
APOD Science APOD APOD: 2026 August 27 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmo…
Rare, Widespread Snow in the Atacama Desert
Back-to-back winter storms in August 2026 brought snowfall to northern Chile, from the Andes to near the Pacific coast.
The crisis in cosmology continues: Critical problems in a recent defense of cosmic acceleration
Doubts about the standard model of cosmology are deepening after a new study identified fundamental problems in a recent analysis that defended the conventional view that the univ…