Astronauts to reveal sobering data on asteroid impacts

This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten ...

Laser weapon system stops truck in field test

Lockheed Martin's 30-kilowatt fiber laser weapon system successfully disabled the engine of a small truck during a recent field test, demonstrating the rapidly evolving precision capability to protect military forces and ...

Team finds oldest weapons ever discovered in North America

Texas A&M University researchers have discovered what are believed to be the oldest weapons ever found in North America: ancient spear points that are 15,500 years old. The findings raise new questions about the settlement ...

Scientists to announce "Doomsday Clock" time

Scientists behind a "Doomsday Clock" that measures the likelihood of a global cataclysm are set to announce Tuesday whether civilization is any closer or farther from disaster.

Laser weapons edge toward use in US military

A sci-fi staple for decades, laser weapons are finally becoming reality in the US military, albeit with capabilities a little less dramatic than at the movies.

US Navy ready to deploy laser for first time

Some of the Navy's futuristic weapons sound like something out of "Star Wars," with lasers designed to shoot down aerial drones and electric guns that fire projectiles at hypersonic speeds.

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