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Freeman Dyson, Visionary Technologist, Is Dead at 96

Amphibians Have Been Hiding a Glowing Secret From Us

Dr. Stanley Dudrick, Who Saved Post-Surgical Patients, Dies at 84

China’s Rover Finds Layers of Surprise Under Moon’s Far Side

Earth’s Deepest River Conceals an Evolutionary Mystery

Whisky Knows Her Toys

White-Lipped Peccary Species May Be in Steep Decline

Watch the Moon and Mars Meet Up in the Early Morning Sky

What’s the World’s Worst Smell?

George Coyne, 87, Vatican Astronomer and Galileo Defender, Dies

The Further Adventures of Betelgeuse, the Fainting Star

They Wanted Research Funding, So They Entered the Lottery

New Images of a Fading Betelgeuse

This Rodent Was Giant. Its Brain Was Tiny.

Ghost DNA Hints at Africa’s Missing Ancient Humans

Bruce McEwen, 81, Is Dead; Found Stress Can Alter the Brain

A Horse Has 5 Toes, and Then It Doesn’t

Stanley Cohen, Nobelist, Dies at 97; Made Breakthrough on Cell Growth

Christina Koch Lands on Earth, and Crosses a Threshold for Women in Space

This Professor’s ‘Amazing’ Trick Makes Quadratic Equations Easier

Frank Press, White House Science Adviser, Is Dead at 95

Asteroid That Killed the Dinosaurs Was Great for Bacteria