Using the Atacama Large Millimeter/submillimeter Array (ALMA), scientists have discovered that the interstellar invader comet ...

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water ...

Comet 3I/ATLAS continues to be found exceptional. The third known interstellar object is a weird comet, with many properties ...

3I/ATLAS is now sailing away from Earth and our solar system itself, but astronomers have already learned a wealth of information. The fastest comet ever recorded is covered in ice volcanoes, and ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that had yet to gel into its own solar system, astronomers reported Thursday.

Learn how Comet 3I/ATLAS began to emit methane as it approached the sun, releasing compounds contained within its inner ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

An ancient comet, 3I/Atlas, which journeyed through our solar system last year, is believed to have originated in a ...

The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...

University of Michigan astronomers have found that the interstellar comet 3I/ATLAS contains 30 times more "heavy water" ...