A newly discovered “ultrahot Jupiter” has the shortest orbit of any known gas giant.

A new study finds curious properties of tiny crystals hold clues to earthquake formation.

Such planetary smashups are likely common in young solar systems, but they haven’t been directly observed.

The findings include signs of flash flooding that carried huge boulders downstream into the lakebed.

A new study shows oxygenic photosynthesis likely evolved between 3.4 and 2.9 billion years ago.

The results could help scientists unravel the processes underlying plate tectonics.

Researchers find improvement in relative retention of women but predict decades of sustained effort are required to achieve gender parity.

Thanks to an MIT-designed instrument, a NASA mission has produced oxygen on another planet for the first time.

The rocky world, with its baking-hot surface, is likely not habitable.

Evidence indicates phosphine, a gas associated with living organisms, is present in the habitable region of Venus’ atmosphere.