A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...

When ships enter the Strait of Hormuz between Iran and the Arabian Peninsula, their navigation screens report impossible things. Supertankers circle over dry land. Cargo vessels cross through airports ...

This year people in Scientific American’s New York office brought in pies ahead of Pi Day, but we know there must be stranger and more interesting ways to celebrate the iconic number. How have you or ...

Interstellar Comet 3I/ATLAS is the gift that keeps on giving. A snapshot of the space that lies beyond the solar system, it brings clues to other stars, other worlds and the galaxy we call home. Just ...

Our sun was born 4.6 billion years ago near the crowded center of the Milky Way and then migrated roughly 10,000 light-years outward to the peaceful galactic suburbs it currently occupies. Now a pair ...

AI-powered writing tools are increasingly integrated into our emails and phones. Now, a new study finds biased AI suggestions ...

The war in Iran has choked the world’s supply of oil to a “trickle,” the International Energy Agency said in a new report released Thursday. According to the organization, which tracks and helps set ...

“To me was like knives inside my body—like someone studying me from the inside.” That’s how Noémie Elhadad describes the pain of endometriosis, a condition she has lived with since she was a teenager.

And a new study, published in the journal Emotion, suggests that a robot that mimics human breathing can also pass on frightened feelings. The researchers developed round fluffy robots with motorized ...

Antibiotics are designed to wipe out infection-causing bacteria, but even a single course can leave a lasting mark on the gut microbiome, according to a new study of nearly 15,000 adults in Sweden.

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

A communication pathway between the brain and the gut may be integral to how well the brain holds on to memories.