SpaceX Just Launched A Completely Recycled Spacecraft For The First Time in History

Alzheimer's Changes Can Lie Hidden For 30 Years Before Symptoms Appear, Study RevealsA Man Went to Hospital With a Gut Parasite. It Turned Out to Be a Rare Kind of STI

This Is What Happens if Your Eye Pigment Cells Turn CancerousReadily Available Joint Supplement Might Have an Unexpected Benefit For Heart HealthA Vicious Dog Disease Has Broken Out in The US, And Humans Are at Risk Too

Men Have a Biological Clock, Too, And 40 Years of Data Say They Need to Pay AttentionThis Chilling Simulation Shows What a Measles Outbreak Could Do to Your City

New Evidence Reveals There Can Be a Darker Side to Meditation

There's a Bizarre Link Between Losing Your Appendix And Parkinson's, Huge Study ShowsFor The First Time, Scientists See The Sun Transfer Energy From Its Interior to Atmosphere

NASA Has Detected Weird Orbital Movement From Two of Neptune's MoonsNASA's New Mars Rover Is Going to a Place Perfect For Preserving Fossils

TESS Data May Already Hold a Clue to The Mysterious Planet NineJapan's Space Probe Is Returning to Earth With an Actual Piece of Asteroid