Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

This score means that it’s likely to have been engineered instead of being a naturally occurring force.

Scientists are wondering whether the latest interstellar object, 3I/ATLAS, may have been sent to us by an extraterrestrial ...

Scientists are investigating whether interstellar object 3I/ATLAS is a natural comet or advanced alien technology on a ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

In an Ask the Astronaut column for Smithsonian Air & Space Magazine in 2016 he discussed the age-old question of whether he or other astronauts had seen real alien space craft while in orbit.

Government whistle-blowers claimed the U.S. government possessed alien space craft and “non-human biologics” during a packed Senate hearing Wednesday.