The implications of not understanding the formation of the inner core are far-reaching. Previous estimates of the inner ...

An asteroid will become Earth's 'mini-moon' starting at the end of September after getting stuck in our planet's gravity.

On Sept. 14, 1959, the Soviet probe Luna 2 -- known informally as Lunik 2 -- became the first Earth-launched space vehicle to ...

Riding atop a fuel cell filled with a million pounds of liquid kerosene, SpaceX launched 21 Starlink communications ...

A Chinese “reusable experimental spacecraft” believed to be the country’s secretive space plane has landed back on Earth ...

The gigantic asteroid 2024 ON, about the size of a blue whale, will fly close to Earth next Tuesday, missing our planet by ...

China's secret unmanned spacecraft returns to Earth after an eight-month mission, raising questions about its purpose and ...

About 252 million years ago, extreme El Niño ocean warming events were a major driver of the largest mass extinction in our ...

Mega El Niños could have intensified the world’s most devastating mass extinction, which ended the Permian Period 252 million ...

CAPE CANAVERAL, Fla. (AP) — A tech billionaire popped out from a SpaceX capsule hundreds of miles above Earth and performed ...

When approaching Earth, asteroids tend to do one of two things: Most of the time, they miss. Sometimes, they hit, leaving a ...

Asteroid Apophis doesn’t currently pose a threat to Earth when it passes by in a few years, but an astrophysicist has ...