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

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

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.

New research indicates that the water on Comet 67P/Churyumov–Gerasimenko has a molecular signature closely matching that of ...

Scientists have revived the theory that short-period comets could have played a crucial role in filling Earth's oceans with ...

Water. All life on Earth requires it in some way or another, and it's hard to miss that roughly 70% of our planet's surface ...

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

Scientists uncovered new insights regarding the potential role of comets, particularly Comet 67P/Churyumov-Gerasimenko, in ...

The origin of Earth’s abundant liquid water is still debated. Research suggests some water came from volcanic vapor that ...

Scientists say cometary dust affects interpretation of spacecraft measurements, reopening the case for comets as potential ...

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

A recent study led by NASA’s Goddard Space Flight Center investigates the potential role of comets in delivering water to ...