Thomas Mulligan explores the geological wonders and unique ecosystems of Mount Roraima, a real-world mountain that resembles an alien landscape.

Less than 15 minutes from Aztec Ruins National Monument in northwestern New Mexico on mostly graded gravel roads, Alien Run Mountain Bike Trail parking area provides year-round access to hiking, ...

A photograph captured over Canmore, Alberta, on 2 August by Chary Woods appears to show a saucer-shaped cloud formation, sparking intense debate about whether it resembles a UFO. The image shows an ...