Interstellar Comet 3I/ATLAS is Spewing Gas Surprisingly Slowly, New Observations Show
Using spectral data from the Hobby-Eberly Telescope in Texas, astronomers have traced gas from the interstellar comet 3I/ATLAS,…
12 billion years old interstellar comet 3I/ATLAS may be older than the solar system
3I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately…
Interstellar Comet 3I/ATLAS Is 12 Billion Years Old, Almost Three Times Older Than the Solar System
Credit: ESA. One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the…
How Open NASA Data on Comet 3I/ATLAS Will Power Tomorrow’s Discoveries
The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the…
3I/ATLAS is Unusually Rich in Methanol, ALMA Observations Show
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected hydrogen cyanide (nitrogen-bearing organic molecule commonly seen in…
World’s Largest Digital Camera Detected 800,000 Cosmic Changes Tuesday
View of Vera C. Rubin Observatory beneath the glittering band of the Milky Way. NSF-DOE Vera C. Rubin…
Gemini North Telescope Captures New Images of 3I/ATLAS
On November 26, 2025, astronomers used the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North telescope at Maunakea…
Interstellar comet 3I/ATLAS sent by advanced civilizations to ‘seed’ life on Earth? Harvard scientist’s big claim
A peculiar interstellar comet 3I/ATLAS is passing through our Solar system and has baffled the scientists with its…
The 7 Most Groundbreaking NASA Discoveries of 2025
In 2025, NASA faced unprecedented uncertainty as it grappled with sweeping layoffs, looming budget cuts, and leadership switch-ups.…
Three Heliophysics Spacecraft Observe Interstellar Comet 3I/ATLAS
NASA’s STEREO (Solar Terrestrial Relations Observatory), the NASA/ESA SOHO (Solar and Heliospheric Observatory), and NASA’s PUNCH (Polarimeter to…
These 3 comets will soon be visible in the sky, and here’s how to observe them
Every year, numerous cosmic events can be observed from Earth, sometimes offering breathtaking spectacles, such as C/2020 F3…
The Sun Sent A Coronal Mass Ejection Directly Toward The Interstellar Object 3I/ATLAS In A First Of Its Kind Event » TwistedSifter
Shutterstock Interstellar objects entering the solar system are rare. So rare, in fact, that the one astronomers are…