We’ve had things that have reentered have a 1 in 1,000 chance, and nothing happened; if we have a few that are 1 in 4,000 or ...

Rising sea levels are slowing Earth’s rotation, lengthening how long an average day lasts. Incredibly, climate change is ...

The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs were the last to feel the burn, 66 million years ago, but there have been ...

Asteroid 2026 EG1 was discovered on March 8, less than one week ago.

Weighing just over 1,300 pounds, the satellite blazed through Earth's atmosphere and splashed down in the eastern Pacific ...

A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

Astronomers have detected an Earth-size planet candidate orbiting a nearby star once a year, making it a promising target for ...

Japan built years of rare earth stockpiles while the U.S. and Europe built nothing. Now, with demand surging and China tightening supply, one company has quietly assembled the only non-Chinese rare ...