Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...
Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...
In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...
Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...
Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com ...
The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...
Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could be up to 12 billion years old! Alien comet 3I/ATLAS wowed us as it passed ...
When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...
Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...