Former Iowa police officer sentenced to 15 years for exploiting teen in ride-along program

If You've Had a 'Mild' Concussion, You Could Still Have Symptoms Years Later

Scientists Are Starting to Dig Inside The Crater Left by That Dinosaur-Wrecking AsteroidMore Than One Fifth of The World's Plant Species Are Now Threatened With Extinction

Earth's Mantle Is Way Less Stable That We Thought It Was95% of Germany's Energy Was Provided by Renewables Last SundayFive Islands Have Disappeared Into The Pacific Ocean, And Six More Are Following Suit

New Report Officially Ranks All The Catastrophes That Could Wipe Us Out in 2016WATCH: Take a Tour Inside Svalbard's Frozen 'Doomsday' Seed Vault

The Echo of Ancient Wildfires Could Be Buried in Caves Under Your Feet

Russia Spent Millions on 'Cloud Seeding' Tech to Prevent Rain on Its Public HolidayAstronomers Detect Unexpected Class of Mysterious Circular Objects in Space

Interstellar Travel Could Make Human Language Evolve Beyond Recognition, Study SaysHubble Captures Photo of a Stunning 'Fluffy' Galaxy With an Oddly Empty Centre

Things Are Really Weird in The Outer Solar System, And We May Have Figured Out WhyGlistening 'Gel-Like' Substance on Far Side of The Moon Finally Identified