Add Yahoo as a preferred source to see more of our stories on Google. Planetary alignments may guide the search for extraterrestrial intelligence, boosting chances of detecting alien technosignatures ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

In April, scientists captured global attention by announcing they’d found a molecule in a faraway planet’s atmosphere that could signal life there. But a new analysis by University of Chicago ...