Walter Olson, a senior fellow at the libertarian Cato Institute's Robert A. Levy Center for Constitutional Studies, flattened ...

Deep within Earth’s mantle lie two enormous regions, often referred to as "islands," which are the size of continents.

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

"We're focused on geosynchronous Earth orbit, where the most valuable real estate in space," said Bernie Kelm.

A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its flight.

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

A private spacecraft from a Texas-based aerospace company bound for the moon has captured stunning images of Earth one week ...

Wildfires can decimate thousands of acres in a matter of hours, laying waste to huge swaths of land and destroying virtually everything in their path. However, when the flames are extinguished and the ...

The aurora borealis is back and is expected to be visible in more than 10 states. See which states will have the best views.

Southern California residents who were looking up at the skies early Friday were treated to a dazzling display as SpaceX launched 23 satellites into orbit aboard a Falcon 9 rocket.

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.