An Aztec Temple Emerges in Heart of Mexico City
The remains of a huge Aztec temple and a ceremonial ball court are coming to light.
Trilobites: These Hungry Goats Learned to Branch Out
In Morocco, goats graze in argan trees for scarce forage. The trees benefit, too.
Basics: Behold the Liver, the Astonishing Blob That Runs the Body
The underrated, unloved liver performs more than 300 vital functions. No wonder the ancients believed it to be the home of the human soul.
Q&A: Are Diamonds Really Forever?
Over time, diamonds form crystals that are squeezed and heated, weakening molecular bonds. Many diamonds end up with rounded shapes rather than...
Prozac Nation Is Now the United States of Xanax
How we went from depressive flannel and fog to anxiously monitoring our heart rates, twirling fidget spinners and streaming into meditation studios.
Isabelle Rapin, Who Advanced Concept of an Autism Spectrum, Dies at 89
The Swiss-born neurologist is credited with modernizing the understanding of autism’s causes and popularizing use of the term “autism spectrum...
Trilobites: Glass Eels: See-Through, Slippery and Guided by Magnetism and Tides
A study shows for the first time that European eels might link magnetic cues with the tides to navigate during a crucial stage of their life cycle.
Trilobites: Spawning Time, When Sockeye Salmon Change From Blue to Red
In Alaska, tens of millions of the fish are returning to lakes where they hatched, undergoing a miraculous costume change in the process.
Finland Works, Quietly, to Bury Its Nuclear Reactor Waste
A plan to build a repository in granite bedrock has progressed smoothly for years, in contrast to the United States’ experience with Yucca Mountain.
Trilobites: Decoding Octopus Species, One Wart at a Time
Worried about threats to ocean habitats, scientists studying octopuses devised a system to distinguish different species by their warts.
N.Y.C. Nature: Dog Ticks, the Zombies of the Woods
The dog ticks’ never-ending quest for blood makes them akin to, and as likable as, the undead, but becoming familiar with them can be useful.
Cancer Drug Proves to Be Effective Against Multiple Tumors
The drug, Keytruda, is the first approved for patients with tumors with a particular genetic signature, wherever they appear in the body.