Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked ...

NASA's OSIRIS-APEX spacecraft captured stunning new images as it whipped past Earth during a high-speed slingshot maneuver, ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our ...

How China gained control of 90% of rare-earth refining while the U.S. abandoned Mountain Pass mine, creating dangerous ...