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Andrew Brooks, Who Developed a Covid Spit Test, Dies at 51

This Ammonite Was Fossilized Outside Its Shell

Joseph Sonnabend, Early Force in Fight Against AIDS, Dies at 88

Skywatch: What’s happening in the heavens in February

Skywatch: What’s happening in the heavens in February

They Put the Bite in Trilobite

Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87

Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87

How an Eight-Sided ‘Egg’ Ended Up in a Robin’s Nest

Was This Dinosaur More Subaquatic Killer or Giant Wading Bird?

Colombians Ask: Who Would Dare Patent Panela?

James R. Flynn, Who Found We Are Getting Smarter, Dies at 86

In Ice Age Siberia, a Meeting of Carnivores May Have Given Us Dogs

Five Past Vaccine Drives and How They Worked

The World’s Rarest Turtle Has a Shot at Escaping Extinction

George Carruthers, Whose Telescopes Explored Space, Dies at 81

Six Stars, Six Eclipses: ‘The Fact That It Exists Blows My Mind’

NASA’s Space Launch System Hot-Fire Test: When to Watch

Biden to Elevate Science Adviser to His Cabinet

Electric Eels Hunt in Packs, Shocking Prey and Scientists

Pig Painting May Be World’s Oldest Cave Art Yet, Archaeologists Say

New Bat Species With Orangutan Hue Discovered in West Africa

The Real Dire Wolf Ran Into an Evolutionary Dead End

Millipede Swarms Once Stopped Japanese Trains in Their Tracks

Caligula’s Garden of Delights, Unearthed and Restored

These Snakes Found a New Way to Slither

Baby Megalodons Were 6-Foot-Long Womb Cannibals, Study Suggests

Baby Megalodons Were 6-Foot-Long Womb Cannibals, Study Suggests

A Question Hidden in the Platypus Genome: Are We the Weird Ones?

Another Thing a Triceratops Shares With an Elephant

The Leftovers Route to Dog Domestication

Jellyfish Build Walls of Water to Swim Around the Ocean

Bryan Sykes, Who Saw the Ancient Past in Genes, Dies at 73

The Cold Case of What’s Heating Up Yellowstone’s Steamboat Geyser

Dwarf Giraffes Discovery Surprises Scientists

Meteor Showers in 2021 That Will Light Up Night Skies