NASA’s Neil Gehrels Swift Observatory has made a breakthrough discovery in the study of comet 3I/ATLAS, an interstellar ...

NASA’s Neil Gehrels Swift Observatory has marked a breakthrough after identifying hydroxyl gas — a chemical fingerprint of ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Comet 3I/ATLAS, discovered on July 1, 2025, is not like other comets in our Solar System. Unlike typical comets that orbit the Sun, 3I/ATLAS is an interstellar comet, having originated from a distant ...

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

Imagine a visitor from another star system, twice as old as Earth, hurtling through our cosmic neighbourhood. This isn't ...

This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Astronomer Gianluca Masi captured spectacular footage of a glowing meteor trail wrapping around the colossal tail of Comet ...

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?