APOD: 2026 July 17 – The Dust Trail of Comet Tempel 2
APOD: 2026 July 17 – The Dust Trail of Comet Tempel 2 Discover the cosmos! Each day a…
APOD: 2026 June 11 – The Mermaid Nebula Supernova Remnant
APOD: 2026 June 11 – The Mermaid Nebula Supernova Remnant Discover the cosmos! Each day a different image…
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…
What is the Lyrid Meteor Shower – and will it be visible in London?
The world’s oldest known meteor shower will be visible this week – and you might be able to…
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…
Webb Telescope Detects Unusually High Levels of “Heavy Hydrogen,” a Key Component of Nuclear Fusion Fuel, in 3I/ATLAS
New observations of the interstellar comet 3I/ATLAS by NASA’s James Webb Space Telescope have revealed an all-new twist…
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…
3I/ATLAS Comet Changes Course Again — NASA Warns of Unpredictable Path
The interstellar comet 3I/ATLAS has surprised scientists once more by altering its trajectory, sparking renewed concern across the…
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…
Astronomers Capture Post-Perihelion Images of Interstellar Comet 3I/ATLAS
Some of the latest images of 3I/ATLAS — the third confirmed interstellar object to be detected passing through…