"Star Trek" heroes are clever, but so are many of its villains. With vast knowledge and inhuman capabilities, they keep Starfleet — and viewers — on edge.

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...