The four-star general who oversees every American military satellite just identified what he considers the gravest danger to all of them: a Russian nuclear weapon circling the Earth. Gen. Stephen ...

Interplanetary travel to Mars aboard nuclear-powered spaceships may sound like science fiction – yet NASA is planning to make it a reality. The Space Reactor-1 Freedom mission is scheduled for launch ...

Long before modern space exploration, scientists proposed astonishing ways to contact extraterrestrials—from giant burning symbols carved into deserts to synchronized nuclear explosions in space. Most ...

Lithuania, a NATO member which borders the Russian exclave of Kaliningrad, has decided to remove a constitutional ban on nuclear weapons. It comes shortly after lawmakers in Finland voted to lift its ...

VILNIUS, July 2 (Reuters) - Lithuania's parliamentary parties have agreed on a plan to lift a constitutional ban on nuclear weapons and foreign military bases in the Baltic nation, the president said, ...

The dust has now settled on the ostentatious summit between Chinese President Xi Jinping and North Korean leader Kim Jong Un in Pyongyang earlier this month. But perhaps the biggest takeaway was what ...

If you are a believer in visitors from outer space, this is your moment. The feds have declassified UFO files, there is a new documentary on alleged UFO sightings, and, of course, the new Steven ...

The company, which also owns the X social network, has quickly come to dominate both satellite communications, through its ...

For decades, American allies in Asia and Europe have relied on U.S. extended nuclear deterrence for their safety. They forswore acquiring their own nuclear weapons, agreeing instead to live under the ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

NASA is repurposing the Advanced Electric Propulsion System to support its SR-1 nuclear reactor program. Credit: NASA Glenn Research Center Driven by an urgent U.S. government mandate to develop space ...

All the Latest Game Footage and Images from The Message From Deep Space Mission: Translate an interstellar message, using the universal languages of math & science. Games metadata is powered by ...