A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Our solar system didn't form by accident. This video explains the blueprint that created rocky worlds like Earth and Mars ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the ...

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar system and the origins of life. As part of the ongoing study of pristine ...

The interstellar visitor 3I/ATLAS is coming near Earth this week and stargazers can see it before it vanishes into deep space ...

The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet.