A two-week expedition off Brazil's coast uncovered 31 previously unknown marine species, highlighting just how little is ...

Group set up by Harvard professor Avi Loeb to advise White House, Pentagon, FBI and American intelligence community on ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...