How an Interstellar Interloper Spurred Astronomers into Action
On 1 July 2025, astronomers detected a visitor from the deep reaches of space. At the time of…
The More Astronomers Watch Interstellar Comet 3I/ATLAS, the Weirder It Gets
When NASA’s ATLAS survey first spotted the interstellar comet 3I/ATLAS in July 2025, astronomers recognized it as a…
NASA’s Webb Space Telescope Observes Interstellar Comet
NASA’s James Webb Space Telescope observed interstellar comet 3I/ATLAS Aug. 6, with its Near-Infrared Spectrograph instrument. The research…
New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago
Roughly 12,800 years ago, as Earth was emerging from its last great ice age, temperatures in the Northern…
A Rare Interstellar Object Is Zipping Through Our Solar System. This Brand-New Telescope Saw It First
Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as…