When you think of Sigourney Weaver, you might picture her exploring psychedelic alien worlds in "Avatar" or transforming into ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

"The entire theatre, myself included, gasped in unison like we’d been rehearsing harder than a synchronized swimming team.

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

"It's like watching a cosmic volcano erupt again after ages of calm — except this one is big enough to carve out structures ...

If you looked toward the horizon Sunday night, you might have seen it too -- a glowing ball of light drifting across the ...