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Sifter

Our favorite stories from around the web

The largest prime number now has more than 23 million digits

Jan. 4, 2018
Dust—not aliens—causes Tabby’s star to twinkle

Jan. 3, 2018
Can life change a planet’s rotation?

Dec. 28, 2017
Rediscovered Amazon bird is a hybrid species

Dec. 27, 2017
Arecibo telescope captures images of near-Earth asteroid

Dec. 26, 2017
Rats to the rescue! Rodents train to save endangered anteater

Dec. 26, 2017
Beavers accelerate thawing of Arctic’s permafrost

Dec. 22, 2017
Researchers take a whack at synthetic skulls to recreate prehistoric violence

Dec. 22, 2017
Tightest knot ever made earns Guinness World Record

Dec. 21, 2017
Scientists are studying a beetle’s penis … to improve catheter design

Dec. 21, 2017
A single molecule appears to reverse age-related mental decline in rats

Dec. 20, 2017
Researchers find moth last seen 130 years ago

Dec. 18, 2017
Artificial intelligence spots a record-setting exoplanet

Dec. 15, 2017
Half-billion-year-old fossil reveals what ancient eyes looked like

Dec. 12, 2017
Drug for Huntington disease shows promise in landmark trial

Dec. 12, 2017
Jupiter’s Great Red Spot goes deep—really deep

Dec. 12, 2017
Happy birthday to the man who discovered photosynthesis!

Dec. 8, 2017
South Africa’s ‘Little Foot’ goes on exhibit

Dec. 7, 2017
Who is the top predator of the deep ocean? Video reveals some surprises

Dec. 6, 2017
Fingerprints glow for months with this new chemical

Dec. 6, 2017
Isle Royale is down to one lone wolf

Dec. 5, 2017
Silicon Valley celebrates with Breakthrough Prizes

Dec. 4, 2017
Cancer treatments can make tumors stronger

Dec. 4, 2017
Watch flies suck this frog’s blood by eavesdropping on its mating calls

Nov. 29, 2017