Just over a decade after GJ 504 b—colloquially known as the Pink Planet because of its dull-magenta thermal glow—was discovered, researchers have finally been able to determine the chemical ...

The comet, which has a diameter of around 2.6 km, is probably the oldest-known object to venture through the solar system.

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

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, astronomers said Monday ...

reflects on the latest advances in the theory, experiment, and methodology with applications to compelling problems. Contributions to the collection are by nomination only. New articles will be added ...

Mimicking the chemistry of outer space to explain how planets form The laws of chemistry get pushed to the limits in Jenny Bergner’s astrochemistry lab at the University of California, Berkeley, where ...

Astronomers have detected the first true sugar molecule in the space between stars — a four-carbon compound called erythrulose — and its presence narrows one of origin-of-life research's most ...