New potential climate crisis just dropped.

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 ...

Scientists suggest that huge reserves of hydrogen inside the Earth may have been key in the formation of water.

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

Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

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

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, ...

Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which examined the sky for exoplanets ...

A new scientific revelation reveals that deep in the Earth’s core lies a good amount of hydrogen as well as a large amount of iron. While the iron in the core has always been recognized as dominant, ...