Learn how cosmic rays, normally seen as a threat to humans in space, may be sustaining life beneath the surface of Mars and ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

To understand the possibility of a new planet, we need to know where our current ones came from. About 4.6 billion years ago, our Solar System formed from a swirling cloud of gas and dust.

Scientists have confirmed a potentially habitable fifth planet in the nearby L 98-59 system, revealing a diverse collection ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

Astronomers using the Subaru Telescope and Canada France Hawaii Telescope on Mauna Kea discovered a “fossil” of our early ...

A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why Pluto isn't a planet.