Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...

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

Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there are four prominent versions of this mega-continent. The climate might be surprisingly balmy ...

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 ...

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

Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving ...

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

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, ...

Right now, USA Rare Earth is pre-revenue. It's already secured about $3.1 billion in funding in 2026, including $1.6 billion from the U.S. government. It's targeting 2028 for commercial production at ...