NASA’s laser retroreflector arrays aboard GPS III satellites enhance positioning accuracy for Earth navigation and scientific measurements by reflecting laser signals back to ground stations.

The Perseverance rover has found tiny crystals that seem to be rubies or sapphires inside pebbles on Mars, where they have ...

Image in Creative Commons. In 1967, Hungarian scientist Endre Mester tried to cure skin cancer in mice using a low-powered ruby laser. He failed to stop ...

The Pentagon permitted U.S. Customs and Border Protection to deploy an anti-drone laser system in El Paso, Texas, on Wednesday before the Federal Aviation Administration moved to close the airspace in ...

The Federal Aviation Administration’s (FAA) brief restriction of airspace above El Paso, Texas, and southern New Mexico resulted from the Pentagon planning to test anti-drone technology despite the ...

On Tuesday night, the Federal Aviation Administration closed airspace up to 18,000 feet above the El Paso International Airport in Texas, saying the restrictions would be in place for 10 days. Then, ...

People familiar with the episode said the use of the technology was not coordinated with the Federal Aviation Administration. Officials targeted what they thought was a drug cartel drone, but turned ...

The idea behind quantum computing has existed for a long while now, with the primary goal being to basically create supercomputers capable of calculating intensive problems almost instantly. While we ...

The dollar is sinking. Trump thinks it’s great. Take it easy, Joe Walsh Trump on Alex Pretti shooting: ‘You can’t walk in with guns’ Scientists move 'Doomsday Clock' closer to midnight Bill Belichick ...

Add Yahoo as a preferred source to see more of our stories on Google. Nicki — who has skewed to the right in recent months and previously praised Donald Trump for addressing the persecution of ...

Engineers have created a device that generates incredibly tiny, earthquake-like vibrations on a microchip—and it could transform future electronics. Using a new kind of “phonon laser,” the team can ...