In 1953, during Operation Upshot–Knothole, the Federal Civil Defense Administration produced one of the most unusual Cold War ...

On an ordinary afternoon in Beirut, people were working, driving home, delivering babies, and preparing for weddings. At the ...

An explosion powerful enough to destroy millions of trees should have left behind a giant crater. Instead, when scientists ...

Ages ago, before humans lived in North America, a space rock pierced the atmosphere and screamed in a blaze of light toward the surface of the Earth.

In 1945, as the first atomic bomb exploded in the New Mexico desert, Enrico Fermi stood miles away, holding a few scraps of paper. As the shockwave rolled toward him, he dropped the papers and watched ...

A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...

Most of the older performance aircraft still in use by the military - including the F-15, F-16, U-2 spy plane, B-52 and B-1 bomber, are off-limits to the general public. A ride in one usually is ...

Organizers want the July 4 fireworks in the nation’s capital to break the world record. But the fun will also come with air ...

A citizen astronomer examining radio telescope data recently flagged something unusual: massive streams of radio emissions ...

US-made precision bombs appear to have struck two drinking water facilities in southern Iran, according to images posted by Iran’s semi-official news agency and an independent outlet, and analyzed by ...

A woman was arrested Friday after a bomb threat forced an evacuation at JFK Airport, officials say. Shortly before 8 a.m., the woman allegedly told an airline employee at a check-in counter in ...