The installation of the stegosaurus fossil nicknamed Apex, known for the plates that line its back, at the American Museum of Natural History in New York, Dec. 3, 2024. The billionaire Kenneth C. Griffin, who bought the stegosaurus fossil for $44.6 million, is loaning it to the museum for four years. (James Estrin/The New York Times) By Zachary Small and Julia Jacobs The most expensive dinosaur fossil ever sold at auction, a stegosaurus that billionaire Kenneth Griffin bought

In an undated image provided by Tom Björklund, an artist’s interpretation of the LRJ people, who lived across northern Europe about 45,000 years ago. DNA reveals they were closely related to all living non-Africans. (Tom Björklund via The New York Times) By Carl Zimmer About 45,000 years ago, a tiny group of people — fewer than 1,000 — wandered the icy northern fringes of Europe. Across thousands of miles of tundra, they hunted woolly rhinoceros and other big game. Their skin

Kyle Lampe, 37, at home in Norfolk, Mass., Dec. 10, 2024. When Lampe looks back at his school days, he realizes how much his undiagnosed...

In an undated image provided by Eric Carlson/Desert Archaeology, Inc.; Ben Potter/University of Alaska Fairbanks and Jim Chatters/McMaster University, an artist’s impression of early North Americans eating mammoths 12,000 years ago. A study of a 12,800-year-old skull of a toddler offers a glimpse at how early Americans found food, and how their hunts may have led to a mass extinction. (Eric Carlson/Desert Archaeology, Inc.; Ben Potter/University of Alaska Fairbanks and Jim Ch

An estimated 1,200 people have died of mpox, which kills about 2.5% of those it infects in Congo. (ALIMA) By Stephanie Nolen On Sept....

Trying to stay healthy into old age is a better goal than attempting to live as long as possible. (Francesco Ciccolella/The New York...

By Hannah Singleton Sleep and exercise work together like gears in a machine: When one turns smoothly, the other follows suit. Quality...

By Talya Minsberg Electrolyte drinks, ibuprofen, a bagel overflowing with bacon, egg and cheese — everyone has their own way of nursing a...

By Jim Robbins Hummingbirds zooming around the garden from flower to flower and sipping nectar probably don’t appear at first glance to be models for instruments of war. But the tiny thrumming birds are unparalleled aerial acrobats, power in miniature, instantly zipping forward and backward, diving quickly down and soaring back up, pitching, rolling and yawing, and even flying upside down. Their sophisticated flying abilities have captured the attention of robot designers, es

By Caroline Hopkins Legaspi Americans gobble up more than 46 million turkeys on Thanksgiving, according to some estimates. But experts...