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The Vera C. Rubin Observatory may have just discovered our solar system’s sixth dwarf planet

Located farther away from Earth than Pluto, the object was hidden in the light of the Milky Way's stars

Neutrinos Are Everywhere. A Physicist Explains.

STEVEN KURUTZ

Dr. Francis Halzen, the recipient of the Nobel Prize in Physics, sheds some light on the mysterious, subatomic particles that whiz through us everyday.

Shiny Glass Skyscrapers Are a Hot Thing. Literally.

CHICO HARLAN, ZUNAIRA SAIEED AND MIRA ROJANASAKUL

They’re transforming cities with million-dollar views and a message of modernity. But climate change makes cooling them tricky and costly.

Animal-borne Shamonda virus infects and kills a human for the first time

The potential for a wider outbreak is low, but experts are still investigating how the disease-causing virus leaped from animals to humans in the first place

Why science is on the ballot in the 2026 midterm elections

From Medicare for All to research grants, science-driven issues are playing a role in the midterm elections

7 spooky bat facts—right in time for Halloween

Bats deserve a little more love

Sci-fi horror collides with small-town politics in John Scalzi’s Monsters of Ohio

Scientific American talks to author John Scalzi about his tentacle-filled 20th novel, its balance of hope and cynicism—and the possibility of a Chappell Roan crossover

Can Scientists Make Football Safer?

LYNNE PEEPLES

Researchers are exploring novel ways to treat, even prevent, the brain disease C.T.E. One of the most surprising: near-infrared light.

Brain Disease Is Pervasive in N.F.L., New Estimate Suggests

CAROLYN Y. JOHNSON AND JOHN BRANCH

Using statistical techniques, a new study has arrived at a harrowing estimate: Three of four retired pro football players most likely had C.T.E. at death.

Landmark study finds three in four NFL players die with CTE

The staggering new estimate is based on an analysis of thousands of former players' medical records

Kennedy to Allow Broad Use of Unapproved Peptide Injections

CHRISTINA JEWETT

In a unilateral declaration by the health secretary, several injections promoted by online influencers will become widely available. The F.D.A. had advised against the move.

U.S. Restricts Trade With Chinese Genomics Company

REBECCA ROBBINS AND ANA SWANSON

The move will block shipments from BGI, a major Chinese firm that U.S. officials allege is associated with forced labor and the abuse of minority groups.

Can Scientists Make Football Safer?

LYNNE PEEPLES

Researchers are exploring novel ways to treat, even prevent, the brain disease C.T.E. One of the most surprising: near-infrared light.

RFK, Jr., loosens restrictions for six popular peptides, bypassing the FDA

Under the new policy, compounded combinations of these unproven peptides can now be dispensed by certain pharmacies