Enceladus hosting cell-sized particles, a hint of life?

A new study of Cassini data has revealed bacteria-sized particles in the plumes of Saturn's ocean moon Enceladus. Could they be evidence of microbial life?

Rainbow-like glory on an exoplanet is 1st-ever detected

For the 1st time, astronomers say they have detected a glory on an exoplanet. Glories are a natural phenomenon, but until now seen only on Earth and Venus.

New Horizons finds evidence for 2nd Kuiper Belt

The Pluto spacecraft New Horizons is still alive and speeding outward. Has it found a 2nd Kuiper Belt? The team is hopeful for new spacecraft targets.

The threat of supernovas to life on Earth

The threat of supernovas to life on Earth is due to their intense radiation. Fortunately, they'd have to be fairly close to affect Earth.

Is Titan’s subsurface ocean habitable?

Saturn's largest moon Titan has an underground ocean of water. But is Titan's subsurface ocean habitable? A new study casts doubt.

Giant planets orbiting white dwarfs: 1st images?

Astronomers using NASA's Webb telescope have discovered and imaged two possible giant planets orbiting white dwarfs less than 75 light-years away.

Black hole is ‘underachiever,” despite jets and high radiation

A black hole in a quasar 3.4 billion light-years away is powerful but underachieving, according to astronomers using NASA's Chandra X-ray Observatory.

Older brown dwarfs are more likely to be lonely

NASA's Hubble Space Telescope has found older and less massive brown dwarfs tend to be alone with no companions, unlike younger and larger brown dwarfs.

5000th comet for sun-observing SOHO spacecraft

Citizen scientists using imagery from the SOHO solar observatory have now discovered their 5000th comet. You can help, too! Join the Sungrazer Project.

How 2 billion craters on Mars were created by 1 asteroid

An asteroid created a large Martian crater called Corinto, about 2 million years ago. Debris from the impact also created 2 billion smaller craters on Mars.