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 ...

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

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than ...

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

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

Earth’s core may contain up to 45 oceans’ worth of hydrogen, a new study finds—an estimate that suggests that the planet formed from a gas-and-dust disk that was rich in the universe’s lightest ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

Extreme solar activity or even a software glitch could put us just days away from a satellite collision in low-Earth orbit.

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

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...