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

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

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

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

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

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

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

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?

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

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

From ex-presidents in power armor to thinly veiled stand-ins for real-world suits, I rank 12 of the most unhinged public ...

There’s dozens, maybe hundreds of movies where “America!” is the predominant theme—some reverent, some scathing, all of it ...