A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S. and other countries

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey back to outer space

Join us! We secured additional cabins for our 2026 solar eclipse cruise. Reserve yours now for the experience of a lifetime: watching totality approach while surrounded by the sea, fellow science lovers and your trip leader, Senior Editor Clara Moskowitz. Learn More. 

Disruptions in interoception may underlie anxiety, eating disorders, and other mental health ailments

Inside the desperate rush to save the southern resident killer whales

Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

An oil tanker seized by the U.S. this week reportedly used a technique that scrambled its location, but new advanced visual tracking can help expose such ships’ true coordinates

Robots are poised to play a much bigger role in daily life at home, at work and in the world

President Donald Trump is expected to sign a defense bill this week that orders an investigation into whether the U.S. military bioengineered Lyme disease

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen before

From glowing neurons to newborn memories, here are the most fascinating brain discoveries of 2025

These three disorders could really be “CKM syndrome,” which can be treated with drugs like Ozempic

The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate. Global warming could doom them

Celestial transients shine furiously and briefly. Astronomers are just beginning to understand them