Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain - this is everything you need to know about the different types of telescopes. When you purchase through links on our site, we may ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For whatever reason, life formed on Earth with right-handed DNA and left-handed proteins. But scientists ...

After a decade out of the spotlight, the brain cells once alleged to explain empathy, autism and theory of mind are being refined and redefined. In the summer of 1991, the neuroscientist Vittorio ...

For people with two hands, one is usually dominant. On a molecular level, earthly life takes this to the extreme. All of the DNA in living things twists to the right, whereas the protein building ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A group of 38 ...