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 ...

In a first-of-its-kind discovery, astronomers claim they have directly measured the magnetic fields of multiple planets beyond our solar system — potentially providing a crucial new tool in the search ...

They’ve obscured alien worlds from us for years, but clouds could turn out to be where the first hints of extraterrestrial ...

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