The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

Scientists say warming is increasing faster than at any time in at least 3 million years. There is no guide for what comes ...

Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.

Could we prevent in-orbit crashes in the future by using advanced computer models?

To avoid Swift being dragged down low enough to hit Earth’s atmosphere, NASA tapped an Arizona-based startup to launch a ...