Relatives said Lily May Avant had a headache and fever after swimming near her home Labor Day weekend, but then her condition deteriorated rapidly.

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

Our brains quickly assess food, noting taste, health, and familiarity all at once. A study in 'Appetite' reveals this ...

Scientists are raising concerns about free-living amoebae, resilient microbes that can survive in water systems and enable ...

Are we alone in this universe? Is there intelligent life out there? Or are they living among us? Humans have wondered about ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...