Research findings are available online in the journal Nature Astronomy. The original story “ Interstellar Comet 3I/ATLAS ...

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

An unexpected guest has made its way into our Solar System. It’s an interstellar object, an ISO. And it’s tumbling through ...

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

Comet 3I/ATLAS is only the third interstellar visitor to be confirmed and quite possibly the oldest. Scientists estimate it ...

Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions ...

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

Astronomers have made the first-ever measurement of deuterated water in an interstellar object, revealing that comet 3I/ATLAS ...

A new intriguing study of the interstellar visitor 3I/ATLAS has revealed that the object’s chemical composition shifted ...

Light travels at a whopping 299,792 kilometers per second. It zips from Earth to the Moon in a heartbeat, clears the orbit of ...

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

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...