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…
From spy satellite to space telescope: The unlikely origins of NASA's Roman Space Telescope
At the heart of this next-gen space telescope lies the parts of old spy satellites.
Thermal anomaly discovered below Mars' south pole
Researchers have discovered a thermal asymmetry deep beneath the surface across Mars' southern hemisphere. Based on gravitational measurements that provide clues to the Red Planet…
Building Foresight for Earth Science, featuring Lindsey Jacobson
NASA’s Earth-observing satellite missions track dozens of features of a changing planet — aerosols, sea levels, land cover, cloud cover — over years and decades. Sustaining that r…
Roman telescope aims to directly image exoplanets 1,000 times fainter than current limits
The Roman Space Telescope is designed to directly image exoplanets using complex optomechanical systems developed by the Max Planck Institute for Astronomy
Roman Space Telescope Travels to SpaceX Hangar
NASA’s Nancy Grace Roman Space Telescope, encapsulated in its payload fairing, travels from the Payload Hazardous Servicing Facility to the SpaceX hangar at Launch Complex 39A at …
Liquid gallium experiment confirms key flow regime inside rapidly rotating stars and planets
Since we cannot look into the interiors of stars and planets, we rely on lab experiments to replicate the physical processes that occur there. Led by the University of California,…
Astronomers discover hot watery exoplanet destined to be swallowed by its star
A newly discovered water dominated exoplanet is in hot-water literally and figuratively, it orbits so close to its parent star it is headed to a fatal collision that will see it d…
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…
Did ocean motion carve Enceladus's tiger stripes?
Saturn's moon Enceladus sports a thick shell of ice surrounding a liquid water ocean. As though scraped by an enormous claw, four parallel cracks slash across its south pole. Each…
A black star in a false Spanish twilight: Here's the story of my 1st total solar eclipse
I journeyed to the path of totality in Spain to watch the Aug. 12 total solar eclipse with a group of passionate citizen scientists. Here's my story.
Massive space mirrors could be 40 times brighter than the full moon, astronomers warn. 'It will be worse than big cities like London'
Sun-reflecting space mirrors proposed by U.S. startup Reflect Orbital will have an even more devastating effect on the night sky around the world than previously thought, a study …
Why some lava-covered exoplanets retain atmospheres for billions of years
Stanford researchers have offered an explanation for why some sizzling, lava-covered worlds nestled tightly around their stars can retain their atmospheres. At such close quarters…
Chance gaze at old Hubble Telescope image leads to discovery that could reveal dark matter's secrets
On a morning train commute, this former scientist found a stellar surprise in an old Hubble image.
Comet 220P McNaught puts on an encore performance
It has been a busy month for astronomy. In the midst of an eclipse season bookended by the total solar eclipse on Aug. 12 and the deep partial lunar eclipse coming up this week on…
NASA Sets Spacewalk for Station Maintenance, Live Coverage Planned
NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several mainte…
On this day in space! Aug. 26, 1978: Sigmund Jähn becomes 1st German in space
On Aug. 26, 1978, cosmonaut and pilot Sigmund Jähn became the first German to fly in space. Here's why it mattered.
Heat shield under fire | Space photo of the day for Aug. 26, 2026
This little satellite is doomed.
NASA Begins Moon Mission Plume-Surface Interaction Tests
EDITOR’S NOTE: This story, originally published in December, was revised Aug. 26, 2026 with an update on a new phase of testing, including video from a recent test run and new ima…
Contractor to Civil Servant: NASA Welcomes Jeret Howard
At 17, Jeret Howard raised his right hand to serve his country as a United States Army combat medic in Iraq. This past summer, he raised his right hand again at NASA’s Stennis Spa…
'Star Wars: Zero Company' review: XCOM-like strategically recaptures the magic of your favorite Star Wars films
Bitreactor's blend of XCOM combat and a smaller-stakes story nails what makes the Star Wars franchise so special.
SpaceX's final Falcon 9 Starlink launch from Florida creates gorgeous 'jellyfish' over New York City (video)
SpaceX's last planned Falcon 9 Starlink launch from Florida created a memorable sight for folks hundreds of miles away — a glowing "jellyfish" high in the sky.
SpaceX sends Starlink satellites to orbit on predawn launch from California
SpaceX launched 27 more of its Starlink broadband satellites to orbit today (Aug. 26), in a predawn liftoff from California's central coast.
Inside the Nancy Grace Roman Space Telescope, NASA's next great observatory
Here's a rundown of all the major parts of NASA's Roman Space Telescope launching Aug. 30.