This feature article looks back on the history of the Half-Life game series from the founding of Valve up to the 2020.

A science fiction horror film franchise, focusing on Lieutenant Ellen Ripley (Sigourney Weaver) and her battle with an extraterrestrial life-form, commonly referred to as "the Alien". Produced by ...

A study analyzed the DNA of feral dogs living near Chernobyl, compared the animals to others living 10 miles away, and found ...