When we think of coral reefs, we picture bright fish, clear water and colourful corals. But reefs have also shaped the planet ...

Some of the oldest objects in the solar system still drift above your head. Asteroids and comets formed before Earth took ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

Around 20,000 years ago, Earth was very, very cold. Global temperatures were 10 degrees Fahrenheit colder than they are today and most of North America was covered in ice. That ice was almost half a ...

Roughly 74,000 years ago, the Toba supereruption blanketed the skies in ash and darkness, threatening to wipe out nearly all life on Earth. Yet, despite the devastation, humans not only endured but ...

As telescopes have become more powerful, it's turned out our solar system is not the only game in town: There are millions of other planets out there in the galaxy. But we're still teasing out clues ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of other planets out there in the galaxy. But we’re still teasing out clues ...

It’s doing a Sun run. Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest approach to the Sun on October 30. While ATLAS doesn’t ...

Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between magma oceans and primitive atmospheres during their early years. New experimental work ...

Six planets in the solar system have at least one moon. Both Earth and Mars are toward the lower end of the lunar count, as our home planet only has one moon, and Mars has two. But not all moons share ...

If you’re a Democrat, you know you’re in deep trouble if you lose the king of late-night comedy, Jon Stewart, in the middle of a pitched battle with the Republicans. But that was the brutal reality ...

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory that life or the ingredients for life came ...