ScienceAlert : The Best in Science News And Amazing Breakthroughs

woman sleeping

Health1 hour ago Scientists Reveal The Optimal Amount of Sleep to Lower Dementia Risk

A huge analysis uncovers the sweet spot.

Big breakthroughs. Bold ideas. Straight to your inbox.

Latest News

Physicists Simulated a Quantum Process That Could End The Universe

Physicists Simulated a Quantum Process That Could End The Universe Physics 4 hours ago

woman breathing inside

Air Purifiers Could Boost Your Brain Function, Study Suggests Health 8 hours ago

Bacteria in a human intestine

Gut Bacteria Could Be a Hidden Trigger For Neurodegenerative Diseases Health 10 hours ago

Scientific illustration of green cancer cells being attacked by immune cells

This Week in Science: Giant Octopuses, a Promising Cancer Vaccine, And More! Explainer 11 hours ago

blue mouthwash

Does Mouthwash Really Damage Your Heart? Here's What We Know Health21 hours ago

etna eruption

The World's Most Mysterious Volcano Can Finally Be Explained Nature1 day ago

Sleepless woman with red hair lying in bed hiding under duvet at night

One Common Habit Can Make Your Insomnia Worse, Expert Explains Health1 day ago

Coffee grounds in a tamp above a pile of roasted coffee beans

Scientists Discover an Amazing New Use For Your Leftover Coffee Grounds Tech1 day ago

Knees showing inflammation on X-ray

Breakthrough to Restore Aging Joints Could Help Treat Osteoarthritis Health1 day ago

Roman-Era Wreck Reveals How Ships Were Built to Last 2,000 Years Ago

Roman-Era Wreck Reveals How Ships Were Built to Last 2,000 Years Ago Humans2 days ago

Artist illustration of a comet in the background, with an inset showing molecules in the foreground

Scientists Traced Interstellar Comet 3I/ATLAS to an Extremely Cold Origin Space2 days ago

Ancient Footprints Suggest a Flying Predator Was Chasing Prey on Land

Ancient Footprints Suggest a Flying Predator Was Chasing Prey on Land Nature2 days ago

Fluorescent green transparent pieces of film are in a petri dish

Scientists Created a Plastic Film That Physically Rips Viruses Apart Health2 days ago

exit sign on plane

The Most Efficient Way to Evacuate a Plane, According to Science Humans2 days ago

Giant, Kraken-Like Octopuses Once Stalked Their Prey in Cretaceous Seas

Giant, Kraken-Like Octopuses Once Stalked Their Prey in Cretaceous Seas Nature2 days ago

A yellow diamond shaped sign reading FLOODED in black, is placed in front of a road covered submerged in water

17 Million Americans Face 'Alarming' High Flood Risk, Major Study Finds Environment2 days ago

12 3 4 5 View Archive

12 3 4 5 6 7 8 9 View Archive

Big breakthroughs. Bold ideas. Straight to your inbox.