The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Falling space junk is becoming a real-world hazard, and scientists have found a clever new way to track it using instruments ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

The Moon is a pretty peculiar object. It is believed that it formed from the incredible collision between the proto-Earth and ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

A bullet-speed experiment reveals that the Earth's inner core may be softer and more dynamic than previously thought.

A Pew Research poll shows partisan split over U.S. scientific leadership, with Democrats far more concerned about losing ...

It was quite a leap. Conspiracy theorists are being brought back down to Earth after NASA scientists debunked a wild claim ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...