The planets of our solar system aren't randomly scattered. They all orbit in a near perfect, flat disc. The reason for this ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind ...

NASA has announced the discovery of a peculiar celestial object named CWISE J1249, which challenges existing classifications ...

With temperatures reaching almost 2,000 degrees Celsius on its dayside, LTT 9779 is one of the few known planets in the "hot ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

Learn more about volcanic activity on Mars and how it may have once provided vital elements to the atmosphere.

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

In her new book “The Problem with Plastic,” a former EPA official looks at the costs of plastic overproduction and how we can ...

The crew’s encounters with a terrifying hive mind race, the Borg, were among the best. That’s why “almost anyone would ...