Some things you can see directly, like your fingers. Other things, like your chin, you need a mirror or a camera to see.

Described as a "knowledge collider," and now with a pledge of one billion euros from the European Union, the Living Earth Simulator is a new big data and supercomputing project that will attempt to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers simulated temperature trends and tectonic plate movement to monitor their impact on mammals.

Could humanity nuke an incoming asteroid to deflect it and save the Earth, disaster-movie style? A unique new impact ...

Asteroid moonlet Dimorphos as seen by NASA's DART spacecraft 11 seconds before the impact that shifted its path through space, in the first test of asteroid deflection. (Johns Hopkins University ...

Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing group of physicists is treating it as a possible glitch report from the fabric ...

Imagine if scientists discovered a giant asteroid with a 72% chance of hitting the Earth in about 14 years — a space rock so big that it could not only take out a city but devastate a whole region.