Interstellar comet 3I/ATLAS may come from a solar system much older than our own
Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before.…
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 Gave Scientists Their First Taste of Alien Water
The Hubble Space Telescope imaged 3I/ATLAS on 30 November 2025 when it was 286 million kilometers from Earth.…
Rare Interstellar Comet To Shine In Skies After 170,000 Years: Here’s How To Watch
A rare celestial event is set to capture attention as an interstellar comet makes its way through 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…
Juice Spies Interstellar Comet 3I/ATLAS
The JANUS science camera aboard ESA’s Jupiter Icy Moons Explorer (Juice) has captured new images of the interstellar…
Rare Cosmic Lineup Gives Hubble Close Look at 3I/ATLAS
On January 22, 2026, the NASA/ESA Hubble Space Telescope observed the interstellar comet 3I/ATLAS nearly perfectly aligned with…
VLT Reveals Detailed Spectral Portrait of 3I/ATLAS
An international team of astronomers from Chile, Europe, the United States, Canada and New Zealand has captured the…
From 3I/ATLAS to SWAN: How 2025 became the year of the comet
The year 2025 has captivated stargazers worldwide as three remarkable comets surged into the inner solar system, dazzling…
NASA’s Parker Solar Probe Captures 3I/ATLAS
Using the WISPR (Wide-Field Imager for Solar Probe) instrument aboard NASA’s Parker Solar Probe, scientists observed the interstellar…
Interstellar comet 3I/ATLAS will fly by Earth Friday. Here are the latest images
An interstellar comet first spotted passing through our solar system in July is beginning its departure from our…
XMM-Newton Offers Incredible X-ray View of Interstellar Comet 3I/ATLAS
Astronomers using ESA’s XMM-Newton observatory have captured an X-ray image of 3I/ATLAS, the third confirmed interstellar object to…