A comet from another star system is doing something astronomers did not expect. As interstellar comet 3I/ATLAS swept through ...
On the night of October 4, 2025, NASA’s Perseverance rover tilted its cameras away from the rocks of Jezero Crater and toward ...
The interstellar comet 3I/ATLAS was confirmed in July 2025 as the third known object to visit our solar system from interstellar space. Despite conspiracy theories, scientists say 3I/ATLAS shows all ...
A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...
Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.
SEATTLE — The comet 3I/ATLAS makes its closest approach to Earth on Friday, December 19th, according to NASA. Research Assistant Professor at the University of Washington's Department of Astronomy ...