How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

When a gargantuan space rock, estimated to be the size of four Mount Everests, crashed into Earth more than 3 billion years ...

Cataclysmic cosmic collisions may have benefited the evolution of primitive organisms early in Earth's history, a study says.

The entire world’s population of Przewalski’s horses once dwindled to a mere dozen. So how did a pair named Fiona and Shrek ...

The footage, taken during a Starlink satellite delivery aboard a Falcon 9, shows a view of payload fairings separating and falling back to Earth.

These people are rebuilding homes lost to wildfires in the western US – only this time they are using a material that they ...

A giant meteorite first discovered in 2014 caused a tsunami bigger than any in known human history and may have sparked life, ...

A quartet of particularly hefty asteroids, including two that were discovered earlier this month and another that is as tall as a skyscraper, will make their closest approaches to Earth on Thursday ...

This year is likely to be Earth’s hottest on record once again, according to NASA’s chief climate scientist. Dr. Gavin ...

With the help of advanced imaging cameras and software, astronomers are finally able to track even smaller incoming impactors ...

A recent SpaceX Starlink launch featured an extra video treat: a view of the Internet satellites being revealed for future ...

An international team of researchers discovered a new specimen called Quaestio simpsonorum—a pancake-shaped creature that ...