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.

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

The formation of the Moon may have come harder on the heels of Earth's birth than we thought. According to a new analysis by researchers from the US, France, and Germany, Earth's constant companion ...

A bright new lunar crater detected in spacecraft images shows that asteroid impacts continue to reshape the Moon’s surface today. The Moon’s familiar surface tells a story of both ancient violence and ...

A groundbreaking study in Nature has shaken up our understanding of the moon’s formation. This research suggests that the moon was born during Earth’s earliest days, revolutionizing the timeline of ...

How did the Moon form? Was it from a collision, as has been the longstanding theory, or could it have been captured by the Earth early in our planet’s formation? This is what a recent study published ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

The moon may be more than 100 million years older than some scientists previously thought, according to a new study. The research, published Wednesday in the journal Nature, challenges the ...

Hubble Space Telescope images have revealed a second massive collision between planetary bodies orbiting the nearby star Fomalhaut, roughly 25 light-years from Earth. The discovery, reported in a peer ...