The Oregon Caves National Monument & Preserve in Cave Junction is proof that sometimes the most extraordinary landscapes are the ones hiding right beneath our hiking boots. Look, I understand the ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 light years away in the constellation Leo, it's attracted a lot of attention ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million ...

The Turquoise Pool is one of Mystery Cave’s most photographed features, and for good reason. This body of water is so clear ...

Mars presents one of the strangest sights in the solar system: a blue-tinted Sun setting against a red sky. This episode explains the physics behind this eerie phenomenon, from fine dust particles to ...

We've tried this intimate space thriller for the first time, with good graphics, a very personal story and a mystery to solve.

These researchers captured photos that wouldn’t look out of place in an art gallery and used them to confirm new species of comb jellies never recorded in Colombia before.

Discover the most otherworldly slot canyons in Utah, ranked for their dramatic scenery, unique geology and surreal atmosphere, with practical tips for hiking.