A large new study reveals how early relationships with parents and friends influence how we relate to those closest to us in adulthood ...

One of the things I love most about science is that sometimes it gets things wrong. In other disciplines, errors are fatal; chefs don’t benefit from poisoning their patrons. But scientists learn early ...

In “The Quantum Bubble That Could Destroy the Universe,” Matthew von Hippel discusses vacuum decay, in which a change in the Higgs field would create an expanding quantum bubble that would transform ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Being a doctor is challenging enough, but imagine having a patient whose health has direct implications for national ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Travel involves two main expenditures of energy: fighting gravity and propelling ...

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Scientists have mapped microbe populations in human guts, deep-sea ecosystems and even clouds. Yet the microbial communities inside tree trunks have remained largely unseen until now. For a recent ...

SpaceX has pulled off another successful test flight of Starship, the world’s largest and most powerful rocket. If you're enjoying this article, consider supporting our award-winning journalism by ...

When a total solar eclipse plunged North America into darkness on the afternoon of April 8, 2024, the songbirds in Bloomington, Ind., suddenly fell silent. In the middle of the forest, the only sounds ...

In 2006 immunologist and 2025 Nobel prize winner Shimon Sakaguchi co-wrote an article in Scientific American that now feels prophetic. In the story, entitled “Peacekeepers of the Immune System,” ...

To improve the quality of life of people with cancer, oncologists have regularly recommended exercise. Staying fit can make patients feel and function better. But exercise itself was never considered ...