Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

Abiotic chemistry in Earth’s atmosphere could have generated biologically important organosulfur molecules as life was ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

On Monday, Duncan Watson-Parris closed his welcoming remarks on the first meeting of the GAIA Initiative with an inviting ...

A new study reveals how specialized microbes might convert Martian regolith into durable, life-supporting structures. Since ...

If you’ve seen any of the “Ice Age” animated Disney movies, we have some bad news: You don’t know the real ice age.