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

Astronauts Suni Williams and Butch Wilmore are back on Earth - but what has nine months in space done to them?

A stock image of an asteroid in outer space near Earth planet. A stock image of an asteroid in outer space near Earth planet. buradaki/iStock / Getty Images Plus Asteroids, also known as minor ...

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

the closest single-star system to Earth, a pair of telescopes has revealed multiple rocky worlds around it Rudy Molinek The European Space Agency’s “dark universe detective” discovered ...

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit ...

An asteroid gaining notoriety for its potential to collide with Earth ... of the planet. That would make the odds of a collision still quite small, about 1 in 32. The European Space Agency's ...

NASA astronauts Butch Wilmore and Suni Williams are finally back on Earth after spending more than nine months in orbit on ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

NASA astronauts Sunita Williams and Barry Wilmore may face certain effects on their health upon returning to Earth after nine ...

A planetary alignment can be used to describe various outer space phenomena. But in the case of the planets in our solar ... higher than the horizon, as the Earth's atmosphere can dim celestial ...