Comets masquerading as asteroids are being found in increasing numbers, with 14 now known in the asteroid belt.

NEOWISE, NASA’s retired infrared telescope, has tracked numerous near-Earth objects and discovered a rare comet since 2013.

Nov. 13, 2024 — An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth and is one of ...

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.

Asteroids are rocky remnants from the early solar system Comets are icy objects with characteristic tails Meteors are fragments that burn up in Earth's atmosphere ...

That is roughly the same width as the entire state of Arizona. Within the last few years, NASA has taken steps to protect ...

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

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

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 ...

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

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 ...