Scientists observe a dramatic collision between two planets, offering insights into the formation of Earth's Moon 4.5 billion ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Hubble Space Telescope images have revealed a second massive collision between planetary bodies orbiting the nearby star ...

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created Earth's moon.

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth billions of years ago and sending chunks hurtling into space that ultimately coalesced. But what was ...

Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth's history that created the moon.

Whether it’s under the stars on the Main Green, from smudged dorm windows or through open sunroofs, we see the moon nearly every night. But a new study by Brown researchers suggests that we know less ...

(Javier Zayas Photography/Moment/Getty Images) A new study may have solved a long-standing mystery about the Moon's magnetism: Why do lunar rocks brought back by the Apollo missions show evidence of ...