True blue is one of nature's rarest tricks, and the animals that pull it off range from tiny ocean drifters that steal venom ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

Celia Paul’s​ My Mother and God, from 1990, shows Paul’s mother, the obsessive subject of her art, against a louring cloud of ...

Featuring stacked geometric forms wrapped in expansive glass facades, this contemporary office building stands as an ...

Bulky “nanobubbler” machines were carted off ahead of a promotional event for President Trump’s Ultimate Fighting ...

President Donald Trump said vandals sabotaged the newly renovated Lincoln Memorial Reflecting Pool by slashing its blue lining with a knife. The administration has provided no evidence to back up the ...

Tours of President Donald Trump's refurbished Reflecting Pool will now have new rules: No looking, no touching, no thinking ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

SPOILER ALERT: This story contains plot details, including about the ending, from DC Studios’ “Supergirl,” now playing in ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.