The U.S. Air Force launched the second satellite in its next-generation missile warning constellation Tuesday from Cape Canaveral Air Force Station, Fla.

Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets

Following last week’s announcement that Curiosity had found conclusive evidence that Mars was once capable of supporting life

A catastrophic meteor strike that would trigger the kind of destruction blamed for wiping out dinosaurs millions of years ago is unlikely

A robotic ocean explorer has found the first Antarctic whale fall marine scientists have ever studied — and discovered nine new deep-sea species

I was driving my daughter to swim team practice one recent night when we saw something curious fly right over the road near the Amherst landfill

In e-mail blasts this weekend, “Guccifer” sent documents stolen from the e-mail account of a former White House aide to congressional aides

In Norway, two glowing objects have been sighted over the skies in Norway, according to a UFO magazine.

Rumors were already swirling around Rome about what really happened inside the Sistine Chapel during the super-secret conclave.

Scientists said Sunday they had discovered an unexpectedly large and active community of single-cell organisms living on the Pacific sea floor

A newly deciphered text, dating back almost 1,200 years, tells part of the story of Jesus with apocryphal plot twists, some of which have never been seen before.

When Barack Obama ran for president in 2008, his pledges of openness and transparency were not ancillary to his campaign but central to it.

Some Marion County residents have reported seeing unidentified flying objects in the skies over Ocala.

A message from above?