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

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

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

NASA discovers four sub-Earth exoplanets orbiting Barnard's Star after a century-long search. Find out how this changes the ...

Venus will pass between the Earth and sun during what’s called an inferior conjunction. But don’t plan on seeing the linkup.

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

The planet Venus will pass between the Earth and sun on Saturday in what's called an inferior conjunction. But don't plan on ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

The pair waved and smiled as they emerged from the SpaceX Dragon, which splashed down off the coast of Florida.

Here's how astronauts Butch Wilmore and Suni Williams physically managed to last 10 month at the International Space Station.

A once-in-a-lifetime experience; nowhere else in Europe can visitors touch a fragment of the Moon, snap a selfie holding a ...

“Because of this, these sub-Earth size planets probably don’t have atmospheres ... on Earth and can’t be detected with powerful space observatories like the James Webb Space Telescope.