A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

When young, aspiring astronauts dream about shooting off into space in a rocket ship, their minds rarely wander to worst case ...

Nine months after being stranded aboard the International Space Station, Suni Williams and Butch Wilmore are finally back ...

He says he feels healthier now that he has been to space because he has "a newfound perspective on what it means to be a ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

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

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

A "potentially hazardous" Apollo-class asteroid will be making its closest pass by Earth in more than 100 years this week.

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...