Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

A region of active star formation in the constellation Ophiuchus is giving astronomers new insights into the conditions in which our own solar system was born. In particular, a new study of the ...

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It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques, scientists are getting closer to experimentally ...

Accretion processes in protoplanetary disks produce a diversity of small bodies. In our solar system, small bodies played a crucial role in both early and late accretion of planets, after potentially ...