"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

The changes beavers make can help land hold onto water and release it slowly, which eases flooding and stalls drought.

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

Scientists say an asteroid that has been described as a ... Experts determined that carbon dioxide and other greenhouse gases can cause the Atmos upper atmosphere to shrink.

"If a massive star were to explode as a supernova close to the Earth, the results would be devastating for life on Earth," said Nick Wright, an astrophysicist at Keele University in the United Kingdom ...

Experiments suggest that processes in the interior of the moon could keep it swathed in an atmosphere that should otherwise ...

Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know ...

Astronomers have long believed that the swirling disks of gas and dust that form planets around young stars last only about ...

A new study reveals that supernova explosions may have caused two mass extinctions on Earth 372 million and 445 million years ...

When scientists found one such meteorite embedded in the thick ice of Antarctica, they unlocked a time capsule carrying ...