Two research papers propose extreme gravitational slingshot trajectories that could fling a spacecraft onto a path to catch ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Stadiums are outfitted with cameras that track each pitch and judge whether it crossed home plate within the strike zone. Human umpires call every pitch, but each team has the ability to challenge two ...

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...