Views of U.S. economy improve but remain low; debt ceiling uncertainty looms — CBS News poll

SpaceX's Falcon 9 Launch Just Created an Eerie Light Show Over Southern California

Communities With Mass Shootings Have 4 Things in Common, According to ResearchKeto Diet Leaves Out 'Some of The Most Healthful Foods on The Planet', Says Doctor

Physicists Overturn a 100-Year-Old Assumption on How Brain Cells WorkThese 6 Specific Exercises Can Cut Body Weight, Even if You're Predisposed to ObesityA Woman Had Her Arms Partially Amputated After Her Dog Licked Her Wounds

Dentists Pulled Out More Than 500 Teeth From a 7-Year-Old Boy's MouthTeenagers End Up in Intensive Care After Trying to Do '1,000-Squat Challenge'

Mosquitoes Have Been Caught Carrying a Deadly Brain Virus in Florida

Discovery of a Liver 'Stem Cell' Could One Day Make Liver Transplants RedundantNASA Just Launched A Mission to Intercept An Asteroid The Size of A Football Stadium

Mars Breakthrough Peers Under The Red Planet's Surface in Scientific FirstRecord-Breaking Exoplanet With Insanely Extreme Orbit Is Totally Doomed

This Picture of Mars Taken By The Curiosity Rover Is So Beautiful We Could CryNASA's Powerful New Telescope Could Transform How We Search For Life on Exoplanets