You saw the photos, didn't you? A vision from another world, haunting the night sky. People questioned everything – aliens, ...

Scientists found that planets with life produce more complex, information-dense signals than nonliving worlds.

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Perseverance rover has captured the first-ever photo of "naked eye" auroras on Mars. The alien light show — snapped after ...

If an alien megastructure indeed encircles a star known as KIC 8462852, it's 1,500 years old and no one may be home anymore. Q: What’s the deal with that star that was giving off weird light signals?