New research on Comet 67P indicates that its water may be similar to Earth's, contradicting earlier findings by Rosetta's ...

A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought.

The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.

Water is fundamental to life on Earth, yet the origins of this vital resource remain a scientific puzzle. Researchers have ...

Scientists have long debated how Earth became rich in liquid water after the planet formed about 4.5 billion years ago. Now a ...

Recent studies show comet dust influenced earlier measurements of water’s origins on Earth, challenging previous findings.

Image of Comet 67P/Churyumov-Gerasimenko taken by ESAs Rosetta navigation camera. Comets may have been responsible for the presence of water on Earth, scientists have claimed, according to a new ...

Scientists have revisited the theory that Earth's water came from icy comets. New research suggests cometary dust might alter ...