Earth may not have to look quite so far for its moon because when our young planet was in a catastrophic collision with a ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

Learn how sulfur-based molecules essential to life may have formed before the first living systems appeared.

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...

An Australian startup wants to recycle a geostationary satellite to get an up-close look at the "doomsday" asteroid Apophis.

Dust devils on Mars generate tiny electrical sparks. This could help explain how the Red Planet’s atmosphere and surface are ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts and history-making discoverers, and jetting above the c ...

About 1,800 miles (2,900 kilometers) below our feet, two enormous patches of strange rock sit above Earth’s core. New ...

Make sure your angles are in units of radians (not degrees), where 2π radians = 360 degrees. But after that you will get the ...