Scientists at Stanford have unveiled the first-ever global map of rare earthquakes that rumble deep within Earth’s mantle rather than its crust. Long debated and notoriously difficult to confirm, ...

The comet is now racing away from the sun following a close flyby on Jan. 20.

A NASA scientist is warning that Earth currently has no reliable way to stop thousands of so-called “city-killing” asteroids that could one day strike the pla ...

With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why hydrogen is the most abundant element in the universe.

Scientific advancements have made it possible to peek into a faraway galaxy that has big implications.

In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

New potential climate crisis just dropped.

It may become impossible to fix ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

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

Gravity feels reliable—stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over Earth's surface. And it is weakest ...