A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

Contrary to appearances, the vehicle that looked like a little space shuttle was not broken down when it was being hauled down the runway at Kennedy Space Center. Sierra Space’s Dream Chaser ...