Interstellar object 3I/ATLAS is making its closest approach to Earth in just over a week from now, coming within 167 million ...

Normally," rings around a planet are created from the remnants of meteors, moons or left over planet pieces. But this is not ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

The Atacama Large Millimeter/submillimeter Array detected significant amounts of methanol and hydrogen cyanide in ...

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

The pristine interstellar comet 3I/ATLAS is theorised to be covered in ice cryovolcanoes, challenging all models of comet ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

Stars form in massive clouds of gas called molecular clouds. As they form, they accrete gas from these clouds, and as the ...

A new theory from Harvard astrophysicist Avi Loeb has intensified debate surrounding interstellar object 3I/ATLAS, after he ...