Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...
Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...
On the morning of June 9 at the "Quarantine Greenhouse" inside the Useful Plant Propagation Center of the National Arboretum ...
A leading astrobiologist argues that advanced aliens may well exist but are likely giving Earth a miss, thanks to vast distances, brutal energy costs and our own hostile atmosphere.
Between the mid-1970s and early 1980s, two physicists, Michael Hart and Frank Tipler, published a controversial series of papers arguing that extraterrestrial intelligence didn't exist. As they argued ...