Four huge asteroids — and a fifth that's much smaller — are passing Earth on Thursday in their closest approaches to the ...

NASA’s Suni Williams and Butch Wilmore will wait until 2025 to return to Earth aboard their newly assigned spacecraft, SpaceX ...

The storied saga of how these horses came to be lost could be a surprisingly good sign for conservation efforts.

No need to freak out—only one asteroid is big enough to be considered hazardous, and it’s staying millions of miles away.

Resaerchers have found that the vast majority of meteorites pummelling the Earth's atmosphere come from only three different ...

Four enormous asteroids, including one with the potential to wipe out an entire city off the map, are making a close flyby of ...

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

Human-built megastructures could actually be slowing down Earth's rotation. Here's everything you need to know.

We all know cacti store water—but to survive, they migrate their flowers, and so much more. Scientists want to copy the ...

Early life on Earth may have gotten an unexpected kickstart thanks to a massive meteor that struck the planet.

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