And lots of those should have planets orbiting them (SN: 10/25/21). That means there could be many more planets orbiting around binaries than around solitary stars like ours.

Now it looks like rocky planets with huge moons are actually extremely common, which might help us find alien life. Earth’s Moon was formed billions of years ago, when an object the size of Mars ...

Planets of TRAPPIST-1: Complex atmospheres, probably lots of water Two approaches set constraints on what these planets might look like.

Rogue planets that range from Mars mass to Earth mass will be future targets for the Roman telescope. As they cross in front of a star and bend spacetime (therefore bending the star’s light ...

Nowadays, with the extrasolar planet count well into the 400s, even finding an entire alien solar system, while not exactly routine, is not unheard of. This week, in fact, it’s been heard of twice.

What do the clouds on Jupiter, dust storms on Mars and rainstorms on Titan all have in common? They look like they belong on ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Planet hunters have unlocked a treasure chest of alien worlds to reveal more than 50 newly discovered planets, including at least 16 not much bigger than Earth and one small, sparkling nugget: a 3 ...

NASA found 7 new earth-like planets 3 of them are most likely habitable I WANNA MOVE — Tami (@maywehowlagain) February 22, 2017 Who wants to move to #TRAPPIST1 ?

As the moon makes its monthly trip around the Earth, it often appears to pass close to more distant members of the solar system.

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both enthusiasm and skepticism.