The latest member of the caled as 2025 PN7, a newly discovered asteroid that could expand Earth's 'moon family' to eight.

Ancient rocks from Greenland, Canada and Hawaii preserve a rare chemical fingerprint that may come from the Earth before the ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

NASA has confirmed that Earth has a second moon, 2025 PN7, a small asteroid co-orbiting with our planet until 2083.

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...

Scientists uncover remnants of proto-Earth buried beneath continents, providing rare isotopic evidence that rewrites how our ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty?

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

The Earth now has another moon to tag along during its orbit around the Sun. Astronomers found out that the Earth has two ...