Scientists studying Earth's magnetic field have discovered that its electric heartbeat flows in the opposite direction from ...

The trio is coming home more than a week late — and aboard a different spacecraft than the one that carried them up to orbit.

Scientists have discovered a fern from South China that naturally forms tiny crystals containing rare earth elements (REEs).

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said ...

The break up of the supercontinent Nuna transformed the Earth’s surface, creating shallow marine habitats that may have given ...

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

A lone man walks across an expanse of ice; a mottled tundra; desert badlands. The single human figure becomes a focal point ...

The Jeff Bezos-backed Blue Origin now rivals SpaceX after successfully recalling its reusable booster after launching the New ...