A groundbreaking discovery in Antarctica has revealed a meteorite that holds a secret from 4.5 billion years ago.

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s. Of those, only four ...

WASHINGTON (Reuters) -Astronomers have spotted a small rocky planet that orbits perilously close to its host star ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

The findings suggest that there are many more targets of opportunity for locating potentially habitable worlds across our ...

A distant ocean-covered world, teeming with life. That's the most likely explanation for a new discovery made by scientists ...

Recent James Webb Space Telescope observations have provided the strongest indications yet of potential life beyond our solar ...

WASHINGTON, April 16 (Reuters) - In a potential landmark discovery, scientists using the James Webb Space Telescope have ...