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Are organic salts on Mars a clue to life?
NASA's Curiosity rover has found hints of organic salts on Mars. If confirmed, they could provide important clues about previous habitability and the potential for ancient microbial life.
June 6, 2021
Giant planets live in the suburbs
The results of a 30-year survey of exoplanets show our solar system as "normal." That is, giant planets tend to orbit far from their stars.
June 4, 2021
The most ancient spiral galaxy yet
Astronomers have discovered a spiral galaxy surprisingly near the beginning of the universe, making it the most ancient spiral galaxy found so far.
June 3, 2021
SpaceX CRS-22 mission Thursday will carry tiny crewmates
CRS-22 - SpaceX’s 22nd cargo launch for NASA - will send bobtail squid and tardigrades to ISS this week. The launch is scheduled for June 3. How to watch, here.
June 2, 2021
Active seafloor volcanoes on Jupiter’s moon Europa?
New research suggests active seafloor volcanoes on Jupiter's moon Europa. Are they linked to life? The planned Europa Clipper mission might provide answers.
June 2, 2021
New water clues on Uranus and Neptune
The ice giant planets Uranus and Neptune are unlike any others in our solar system. New research from the U.S. and South Korea suggests that the deep interior water layers of the ice giant planets may be rich in magnesium.
June 2, 2021
Lucky strike: Space debris smacked ISS robotic arm
Space officials called it a "lucky strike" when space debris smacked into the skinny robotic arm on the space station, creating a hole now seen in images.
June 1, 2021
Curiosity sees rare clouds on Mars
Clouds on Mars are infrequent, but the Curiosity rover has captured some. Scientists are analyzing the images to learn about these elusive atmospheric delights.
May 31, 2021
How shrinking planets might explain missing planets
There's a puzzling gap in exoplanets, orbiting distant stars. Where are the worlds between 1.5 and 2 times Earth's radius? Shrinking planets may be the answer.
May 27, 2021
Meteors from rare long-period comets
With a global camera network, scientists track meteors of long-period comets - which take thousands of years to orbit once - to predict the next meteor rain.
May 27, 2021
