Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

The event also offers geologists a rarely seen opening study of ocean birth in real-time, an event never detected before. The process might take millions of years, but its effects are already being ...

One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

Related: 10 Earth impact craters you must see Mono Lake, located in California near Yosemite National Park, is one of North America's oldest lakes, over a million years old. Its unique environment ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes what we know about the early universe.

The worlds accompanying Earth around the Sun are varied in size, shape, color, and composition. In one glance, an observer can see the barren, airless lunar surface and a cold, desert planet that ...

The cosmic wonder, set for January 21, will see Venus, Mars, Jupiter, Saturn, Neptune and Uranus appear positioned in a line from Earth's perspective. The parade of planets should be visible in ...