Why Did Humans Lose Their Fur?
We are the naked apes of the world, having shed most of our body hair long ago
What’s New, and What’s Not, in the Reported Birth of the CRISPR Babies
Editing human DNA, either in embryos or in cells that are reintroduced to the body, had come a long way before Lulu and Nana were born
Scientists Measure the Second With Record-Breaking Precision
A new generation of optical clocks are becoming ever more reliable as physicists work to redefine time
The Fierce T. Rex Was a Walker Not a Sprinter
A heart-pounding scene of the hit film “Jurassic Park” depicts a fearsome Tyrannosaurus Rex chasing scientists in a Jeep and nearly catching them. But in reality, the infamous T. rex would have broken its legs trying to move anywhere near that fast, new research suggests.
These Fanciful Microbes Need Your Coloring Skills
A vast microscopic world writhes around you. Now a coloring book lets you bring wee beasts and beauties to life
Exoplanet Discovery Arrives in Time for New Telescope Technology
Astronomers call LHS 1140b one of the “best targets” for hunting liquid water with NASA’s James Webb Space Telescope
What Really Made Primate Brains So Big?
A new study suggests that fruit, not social relationships, could be the main driver of larger brains
How Victorian Gender Norms Shaped the Way We Think About Animal Sex
No, females aren’t always choosy and males don’t always get around
Meet the Researchers Who Scour the World’s Most Dangerous Corners in Search of Biological Riches
Militants, malaria and pirates are just some of the challenges these scientist-explorers face in their quest to map the world’s diversity