ScienceAlert : The Best in Science News And Amazing Breakthroughs

A woman holding her jaw and grimacing

Health5 hours ago 3 Hidden Signs You're Grinding Your Teeth, According to Experts

Here's what you can do about it.

Big breakthroughs. Bold ideas. Straight to your inbox.

Latest News

a small brown shrew is about 1/3 of the size of the blue-gloved human hand it is sitting on.

Shrews Can Shrink Their Brains by 30%. Here's How They Grow It Back. Nature 9 hours ago

Crypts of Lieberkuhn, light micrograph

A Hidden Warning Sign Discovered in The Gut May Increase Cancer Risk Health 12 hours ago

sinkhole in a parking lot

How Do Sinkholes Happen, And Can We Predict Them? Environment 16 hours ago

'Zombie Worms' Have Mysteriously Vanished, Troubling Scientists

'Zombie Worms' Have Mysteriously Vanished, Troubling Scientists Nature 18 hours ago

Mysterious Giants Could Be a Whole New Kind of Life That No Longer Exists

This Week in Science: A Cannabis Standard Measure, Bizarre Lifeforms, And More! Explainer19 hours ago

hangry woman

Ever Felt 'Hangry'? Scientists Now Know The Surprising Reason Why Humans1 day ago

High angle view of a runner's legs and their reflection in the water of a parking lot

Study Reveals How Much Exercise You Need Weekly To Control Blood Pressure Health1 day ago

Dense fibrous connective tissue

Scientists May Have Found a Blueprint to Revive Old Cells Health1 day ago

helix nebula

The Moment We've Been Waiting For: JWST Zooms Into The 'Eye of Sauron' Space2 days ago

'Devastating' Flesh-Eating Parasite Is Spreading Toward The US, CDC Warns

'Devastating' Flesh-Eating Parasite Is Spreading Toward The US, CDC Warns Health2 days ago

Illustration of human lymphocytes

Scientists May Have Discovered a Way to Rejuvenate The Immune System Health2 days ago

A spoonful of white sugar with a raspberry on top

Blood Sugar Spikes Linked With 69% Higher Risk of Alzheimer's Health2 days ago

Medical 3D illustration of a man with stroke symptoms

Peptide Treatment Protects Brains After Stroke, Mouse Study Finds Health2 days ago

man with two thumbs up

Human Penis Size Evolved For 2 Purposes, New Study Finds Humans2 days ago

People walking under a bridge in snowy weather

The US Is Bracing For a Major Winter Storm. Here's Where It Hits First. Environment2 days ago

Earthquake Sensors Detect Sonic Booms From Incoming Space Junk

Earthquake Sensors Detect Sonic Booms From Incoming Space Junk Space2 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.