For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

RNA probably came before DNA, serving as the storehouse of genetic information and driving chemical reactions; a ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off like temperamental lights.

In a major editorial decision, the journal Science has officially retracted a famous and fiercely debated 2011 paper that proposed the existence of an “arsenic-based” life-form. The original study ...

Last time the online creators from “Mommy and Me: The Listers” visited the “Houston Life” studio, mom Crystal Lister and her daughters Kinsley and Krissy literally passed fire from hand-to-hand.

From ancient philosophers pondering the stars to modern scientists scanning distant exoplanets, humanity has long asked one haunting question: Are we alone? When you purchase through links on our site ...