Mind
Cuteness Inspires Aggression
The universal desire to squeeze baby animals, hard
Climate
El Niño is Here, But California Is Still in Drought
Evolution
Error Found in Study of First Ancient African Genome
The Sciences
Octopuses Are Surprisingly Social--and Confrontational
Health
Health
Can We Decipher the Language of the Brain?
Sustainability
Sustainability
Slaughter of the Song Birds
The Sciences
The Sciences
How Ant Colonies Work [Video]
Health
Health
Treating a Stuffed Head [Video]
The Sciences
The Sciences
Readers Respond to "The Power of Sleep"
Most Popular
Zika Virus Threatens U.S. from Abroad
Exclusive: An interactive map, based on data from 50 state health departments, details how the mosquito-borne disease made its way to America in travelers’ bloodstreams
The Fermi Paradox Is Not Fermi's, and It Is Not a Paradox
Despite what you'll often read, the Nobel prizewinning nuclear physicist never suggested that aliens don't exist
Like Mother, Like Daughter--the Science Says So, Too
A new study bolsters evidence that brain structure and mood disorders are genetically passed from mother to daughter
Hawking's Latest Black Hole Paper Splits Physicists
Some welcome his latest report as a fresh way to solve a black hole conundrum; others are unsure of its merits
More Evidence Emerges for "Transmissible Alzheimer's" Theory
The disease is not normally infectious, but people who received grafts from cadavers did show telltale markers in their brains
Beyond Resveratrol: The Anti-Aging NAD Fad
Whenever I see my 10-year-old daughter brimming over with so much energy that she jumps up in the middle of supper to run around the table, I think to myself, “those young mitochondria.” Mitochondria are our cells’ energy dynamos.
Special Report
The Surge of Zika Virus
Health
The mosquito-borne disease is spreading across the globe and has been linked to alarming birth defects and an autoimmune disease that can cause paralysis. Scientific American has been tracking the dengue-like illness since fall 2015
The Hunt for Planet X
Videos
NASA Completing Primary Mirror for Space Telescope
NASA has reached a major landmark in the construction of the powerful 6.5 meter James Webb Space Telescope
