Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Suni Williams and Butch Wilmore headed home in a SpaceX Crew Dragon capsule after problems with a Boeing vehicle set in ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

Astronomers have made an exciting breakthrough by discovering four sub-Earth exoplanets orbiting Barnard’s Star, our closest ...

"Our behavior with greenhouse gases here on Earth over the past 100 years is having an effect on how we operate satellites ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Earth Day may be in April, but people can get free tickets in March for events celebrating the planet. The second annual Earth Day Festival is returning from 10 a.m. to 4 p.m. Sunday, April 13, at ...

Scientists have discovered two diamond-like planets, PSR J1719-1438b and 55 Cancri e, challenging our understanding of planetary composition and formation, and raising questions about the universe's ...

The HR 8799 system, 130 light years from Earth, is only 30 million years old -- just a baby compared to our solar system's 4.6 billion years.