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

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

This volcanic coastline in Lanzarote, Canary Islands, Spain features red, black, and yellow mineral cliffs. Dark lava rocks ...

Crystal Grottoes Caverns is Maryland’s only show cave, which means it’s the only cavern in the state that’s been developed ...

From steaming volcanic vents to glowing salt flats, these surreal California landscapes look so otherworldly they feel pulled straight from another planet.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

Explore this stunning Arizona trail that feels out of this world, with otherworldly rock formations and unique desert ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might even be within its host star’s “habitable zone”, but there’s a big problem ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

Moon Valley, located within Chile’s Atacama Desert, is one of the most extreme and arid landscapes on the planet. Shaped over millions of years by intense solar radiation, powerful winds, and minimal ...

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.