In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity. Our ...

Our galaxy's most abundant type of planet could be rich in liquid water due to formative interactions between magma oceans ...

Astronomers used the James Webb Space Telescope to observe the first asteroid belt seen outside of our solar system and unveiled some cosmic surprises along the way. The space observatory focused on ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is suspected to be causing unusua ...

Scientists have long been hunting for a hidden planet out in the furthest reaches of our Solar System — and new research suggests with even more credibility that it actually is out there. The crux of ...

A huge "super-Earth" with an extreme climate that results in it being habitable for only part of its orbit has been discovered orbiting a star 2,472 light years away. And the most remarkable thing is, ...