The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

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

Scientists have discovered a planet that is literally falling apart as it orbits its star. Located about 140 light-years from ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

A technique to cool the planet, in which particles are added to the atmosphere to reflect sunlight, would not require ...

Astronomers are nearing a statistically significant finding that could confirm the potential signs of life detected on the ...