We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.

Scientists with a new theory about how Earth’s early continents formed predicted where a superold impact crater should ...

"The X-37B Orbital Test Vehicle-7 (OTV-7), the U.S. Space Force’s dynamic unmanned spaceplane, successfully deorbited and ...

It was a respectable tenure, but the world’s oldest known meteorite site is no longer western Australia’s 2.2 ...

A new study suggests glaciers carved metals out from the Earth’s surface 700 million years ago, leading to chemical reactions ...

To put that in perspective, the Earth is thought to be about 4.5 billion years old, which means these "rocks"—really ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

Namely, a group of primitive amphibians called the temnospondyls. They may have survived the Great Dying by feeding on some ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

NASA's two stuck astronauts are just a few weeks away from finally returning to Earth after nine months in space.

Our readers explain that spirit (or bubble) levels indicate the direction of Earth's gravitational pull, though local ...