An unidentified object feared to be an alien spaceship as it flies through space has mysterious second tail, new pictures reveal. Interstellar visitor 3I/ ATLAS caused panic among scientists and baffled boffins for months. Theoretical physicist Avi Loeb ...

Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space agencies globally have shifted satellites, telescopes 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. Researchers with Breakthrough Listen used the Green Bank ...

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth

Creator Noah Hawley, star Babou Ceesay and more of the 'Alien: Earth' creative team break down Season 1's standout episode, 'In Space, No One...'