Astronomers have discovered a low-mass "sub-Earth" planet orbiting the closest solo star to the solar system, Barnard's star, that has a year lasting just three Earth days.

How close are we to discovering life beyond Earth? In this video, we explore the nearest exoplanets - worlds orbiting other ...

The nearest single star to the sun, Barnard’s star, has a brood of planets all its own. The red dwarf star, about six light-years from Earth, hosts four close-in planets each about two to three ...

NASA's ISS-mounted X-ray telescope NICER has weighed and measured the closest pulsar to Earth. The neutron star PSR J0437 spins 174 times a second and has a mass of 1.4 suns.

The Earth’s closest black hole isn’t a black hole at all. Instead, astronomers say it’s just a two-star system where one star is sucking the life out of the other. Earth’s closest black ...

The European Space Agency (ESA) has detected what could be only the third known object to enter our solar system from ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Astronomers have discovered a low-mass "sub-Earth" planet orbiting the closest solo star to the solar system, Barnard's star, that has a year lasting just three Earth days.

Astronomers have discovered a low-mass "sub-Earth" planet orbiting the closest solo star to the solar system, Barnard's star, that has a year lasting just three Earth days.