Preview: Olivia Newton-John opens up about her breast cancer battle

Ominous Green Lasers Shot Over Hawaii Didn't Come From NASA Satellite After All

Even in The Depths of Sleep, Our Brains Are Alert to Stranger Danger, Says New StudyThis Is How Toddlers Know if People Share a Special Bond, And It's Gross

This Medieval Italian Man Replaced His Amputated Hand With a KnifeMany People Seem Disgusted by The Thought of Eating Cultured MeatSpectacular Lost Highways of Ancient Arabia Discovered By Archaeologists

Pavlovian Experiments on Locusts Provide New Clues on How Smell Works in The BrainThis Ancient Peruvian Empire Put Hallucinogenics in Beer For Political Reasons

The Earliest Unequivocal Evidence of Our Species May Be Even Older Than We Realized

A Rare, Isolated Script Invented From Scratch Holds Clues to The Evolution of WritingScientists Discover 'Stormquakes': a Never-Before-Seen Geophysical Phenomenon

Here's Why Plants Aren't Just Growing Faster With All The CO2 in The AtmosphereScientists Might Have Finally Found The Origin of This Surreal Jagged Crystal Cave

For The First Time in 137 Years, UK Got More Power From Renewables Than Fossil FuelsUnderwater Volcano Could Release Noxious Gas Bubbles Bigger Than The Pyramids