NASA’s SPHEREx space telescope mission viewed 3I/ATLAS in December 2025, when researchers believed the brightening occurred due to a phenomenon associated with comets as they vent water, carbon ...

Astronomers have observed a rare event in the solar system, a comet slowing its rotation and then spinning in the opposite direction.Comet 41P/Tuttle-.

Comet C/2024 E1 has been photographed as it nears Earth - but even at its closest, it will still be 150 million kilometres ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

In 2021, an 85 mile wide comet entered our solar system. Watch to learn more!

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

Amino acids from asteroid Bennu suggest that some of life’s building blocks formed in icy conditions in the early solar system.

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system.

NASA is looking for new providers to supply low-gravity parabolic flights for spaceflight training and scientific research.

Analysis of asteroid Bennu samples suggests life's building blocks formed in frozen outer Solar System, not warm asteroid interiors.