REVEALED: International gemini observatory | Rare Historical Photos

Interstellar comet 3I/ATLAS may be nearly 12 billion years old — so ancient its star system may no longer exist

Our solar system's famous "invader" might be as old as the Milky Way itself.

Space · Mar 30

Dramatic death of Comet C/2025 K1 (ATLAS) caught on camera — Space photo of the week

The Gemini North telescope snapped a spectacular view of Comet C/2025 K1 (ATLAS) breaking apart as it emerged from the other side of the sun in October.

LiveScience · Feb 8

Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images

The comet broke into pieces after making a close approach around the sun in October 2025.

Space · Jan 30

How did interstellar comet 3I/ATLAS capture our imagination in 2025?

For one, it came down to timing.

Space · Dec 19, 2025

Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it

Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.

Space · Dec 17, 2025

Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025

Hawaiian stargazers got a particularly special treat recently.

Space · Dec 12, 2025

'From another world': 3I/ATLAS photobombs a galaxy and shows off its multiple tails in stunning new image

An incredible new image shows the multi-tailed alien comet 3I/ATLAS shooting past a distant galaxy in the night sky. The stunning scene is a reminder of the object's perfectly natural interstellar origins, photographer Satoru Murata claims.

LiveScience · Nov 18, 2025

Astronomers detect first 'radio signal' from interstellar comet 3I/ATLAS — but it wasn't aliens

Astronomers at South Africa's MeerKAT radio telescope have detected the first radio waves coming from the interstellar comet 3I/ATLAS. But while this sounds suspiciously like alien activity, it is actually further proof of its completely natural origins.

LiveScience · Nov 11, 2025

New 'nearly interstellar' comet — wrongly linked to 3I/ATLAS — will reach its closest point to Earth on Tuesday (Nov. 11)

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to Earth on Tuesday (Nov. 11). However, despite recent rumors, the two objects are not related to one another.

LiveScience · Nov 10, 2025

Irradiated Comet 3I/ATLAS glows green and hides its tail in new image

A researcher has captured comet 3I/ATLAS glowing green and hiding its tail in a new image from the Lowell Observatory's powerful Discovery Telescope as we enter a critical observation phase for the interstellar visitor.

LiveScience · Nov 7, 2025