If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

We’ve discovered thousands of exoplanets — but not a single confirmed exomoon. That doesn’t mean they aren’t out there. In fact, moons may be even more common than planets — and in some cases, even ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

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

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

One of the most photographed features in Mystery Cave is the Turquoise Pool, a body of water so clear and so perfectly ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Cinematic science-fiction third-person action adventure game Aphelion will launch for PlayStation 5, Xbox Series, and PC via Steam and Microsoft Store this spring, developer DON’T NOD ...

What if we were the aliens? In a great 1991 episode of 'Star Trek: The Next Generation,' the notion of aliens among us was ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...