Scientists have reevaluated the water composition of Comet 67P, finding it surprisingly similar to Earth's oceans. This challenges previous studies suggesting cometary water was too deuterium-rich.

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 ...

An asteroid hitting a neutron star could release enough energy to power humanity for 100 million years, more than enough to ...

The object, discovered in 2021 and given the temporary name 2021 L4, orbits between Mars and Jupiter in the main asteroid ...

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

“A wave of comet and asteroid collisions with the solar system’s inner planets 4 billion years ago would have made this ...

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

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

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

A "harmless" asteroid burned up Tuesday night above northern Siberia in Russia, creating a blazing fireball in the sky ...

The water on Earth might have been delivered from space by comets billions of years ago - NASA scientists say Jupiter-family ...

Some asteroids are believed to be comets that have lost their volatile materials after repeated passes near the Sun, leaving ...