Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

It's called 469219 Kamo'oalewa, Hawaiian for 'wobbling celestial object'.

Our moon—or la Luna—has inspired humankind for millennia. It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten Earth, smashing off a ...

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

Moon impact 3.5 billion years ago reveals hidden Solar System history through tiny mineral grains. The discovery shows asteroid bombardment continued long after the Late Heavy Bombardment period.

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Earth and the Moon both record evidence of a 'lost' period of bombardment. (NASA) Tiny crystal grains trapped inside a meteorite may be the key that unlocks a hidden era in the Solar System's history ...