A newly developed computer model reveals that rocky planets must have a radius at least 80 per cent of Earth to maintain a ...

In an astronomical first, researchers have measured the magnetic fields of 7 "hot Jupiter" planets beyond our solar system — ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it should orbit its star at the right distance, where temperatures allow liquid ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Astronomers estimate there are 10 billion Earth-like planets in the Milky Way, increasing the statistical likelihood of ...