Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

In fact, throughout history there have been numerous reports of supposed alien spacecraft sightings that have turned out to ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come with terrifying consequences. This video explores NASA’s Voyager missions, ...

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

A covert Chinese space plane has quietly released a new UFO-like object into orbit, according to US tracking data, fuelling ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

In the searing Mediterranean summer, wildfires turn dangerous in minutes. Greece has learned that at a terrible cost. In 2018 ...

NASA works with scientists worldwide to advance our understanding of what hazards are in our solar system and how we can mitigate the risks.

A powerful figure in the music industry, Clive Davis is credited with launching the careers of some of its biggest stars.

Valiant Comics might not have the same level of popularity as Marvel and DC, but its characters are very powerful.