Interstellar Comet 3I/ATLAS Formed in Ultra-Cold Planetary System, ALMA Reveals
Water is made of two hydrogen atoms and one oxygen atom, hence its H2O formula. In typical water…
Scientists Discover a New Meteor Shower From a Mysterious Crumbling Asteroid
This composite image shows the 2019 Geminid meteors and a meteorite-dropping fireball captured by a camera on La…
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…
Alien Comet 3I/ATLAS Is Blasting 70 Swimming Pools of Water into Space Every Day and Astronomers Are Stunned
Illustration of comet 3I/ATLAS shedding water. Credit: ZME Science. When a hunk of ice from another star system…
Interstellar Comet 3I/ATLAS Shows Shifting Chemistry after Perihelion
Observations from the Subaru Telescope on January 7, 2026, revealed a surprisingly low carbon dioxide-to-water ratio, suggesting the…
2026 April 14 – The Long Wispy Tail of Comet R3 (PanSTARRS)
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with…
How Interstellar Comet 3I/ATLAS Met Unlikely Observer
On its way to Jupiter, ESA’s Juice spacecraft briefly turned its gaze toward a rare interstellar visitor, 3I/ATLAS,…
Narrowband Radio Technosignature Search Toward 3I/ATLAS With FAST
Scatter plots of potential candidate in frequency, drift rate and signal-to-noise ratio for each polarization channel. The color…
NASA’s Hubble Caught a Comet Breaking Up in Real Time, and the Images Are Wild
Have you ever turned to look at something at the exact moment something unbelievably cool happened? Imagine if…
Hubble Captures Breakup of Comet C/2025 K1 (ATLAS)
The breakup of C/2025 K1 (ATLAS), captured by the NASA/ESA Hubble Space Telescope, opens a window into how…
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…