For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

Earth's temporary asteroid friend last year was a chunk of its real moon that had been blasted into space thousands of years ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...

During the US Apollo program, six crewed missions landed on the Moon starting with Apollo 11 in 1969, leaving a like number of flags. Now, China recently announced that one more flag will join the ...

Among the tech billionaires, foreign diplomats, and CEOs attending, one stood out — Elon Musk. And when Trump, in his first ...

Chinese-American scientist was dubbed the ‘first lady of physics’, but her contributions to her native land remain shrouded ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

SpaceX and Blue Origin are years away from putting astronauts on the moon. Four other companies may get there first.

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...