SEATTLE — On this week's Look What I Found segment on ARC Seattle, Theron Zahn brought in an object of some sort. We asked viewers what they thought it was on social media, and there were some ...

A paper from a SETI (search for extraterrestrial intelligence) Institute scientist has directly addressed claims that interstellar comet 3I/ATLAS is an alien spacecraft. OnJuly 1, 2025, the Asteroid ...

Just as mysterious interstellar object 3I/ATLAS reemerged from behind the Sun last week, astronomers detected intriguing radio signals from it that give new clues about its chemical composition.

A shiny cylinder photographed by NASA's Mars Curiosity rover has one Harvard scientist calling on the agency to make ...