Gray rocks uncovered in northern Nunavik, Quebec, Canada may be the ultimate primordial find. The stones date back 4.16 ...

Korenaga explains, ‘About 4.5 billion years ago, Earth was hit by a Mars-sized rock and the moon formed as the debris from this collision went into an Earth-orbiting disk.

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

The planet was formed around four billion years ago and has a frigid atmospheric temperature of just minus 3 degrees Celsius.

The analyses suggested the moon is about 4.35 billion years old, which is a relatively young age. In comparison, the solar ...

Read What are asteroids?Asteroids are rocky objects that orbit the Sun just like planets do. In fact, sometimes asteroids are ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The four people at the helm of America's space agency held a town hall meeting with employees Wednesday, fielding questions ...

The probability that asteroid 2024 YR4 will strike the Moon on December 22 2032 is now approximately 4%, and this probability ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...