Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

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

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

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

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

V1298 Tau links swollen young worlds to the compact planets that astronomers keep finding, and its timing signals made that ...

Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

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, ...

Earth’s continents are not fixed in place. They drift, collide, and break apart over hundreds of millions of years, and new research suggests the next great reunion could create conditions so extreme ...

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 ...