The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

After a "fast and fiery re-entry through Earth's atmosphere", they are due to splash down off the coast of Florida tonight, ...

A bright light was seen across the Northstate Monday night, visible from Butte County and as far as Modesto and Nevada. It ...

It seems as if Earth's atmosphere is incredibly thin, wrapped tightly around our planet. In fact, the atmosphere consists of multiple layers, with some scientists of the opinion that the atmosphere ...

Thermal emission measurements from the exoplanet Trappist-1 b suggest two plausible yet contradictory scenarios ...

At the end of their service, the old satellites will be steered into Earth's atmosphere where they will burn up. That is certainly commendable when it comes to space debris prevention, however ...

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

The shape is thought to be the result of leftover fuel released into space as the Falcon 9 rocket returned to Earth.

NASA’s Suni Williams and Butch Wilmore have returned to Earth from a weeklong mission at the International Space Station that ...