Astronomy

A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change our understanding of the nature of light

A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change our understanding of the nature of light

NASA engineer Guy Naylor poses for a photograph wearing a custom Santa Claus suit on the 19th level of High Bay 4 inside the Vehicle Assembly Building with NASA's integrated Moon rocket behind him at the agency’s Kennedy Space Center in Florida on Thursday, Dec. 11, 2025.

The Euclid Space Telescope is decking the halls with boughs of starlight

On TikTok and other short-form video platforms, Scientific American explored the underground labs of Greenland, brand-new colors and the perfect way to make eggs

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many more yet to be found

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many more yet to be found

As Christmas trees face mounting challenges from climate change, researchers explore solutions to help ensure that a beloved holiday tradition endures in a warming world.

Jupiter and the Meteors from Gemini

Happy holidays from all of us at Scientific American

The U.S.’s decision to ban the sale of new foreign-made drones will have far wider-reaching implications than its effect on pilots’ ability to access new models and parts

A pill version of the popular GLP-1 weight-loss drug Wegovy has been green-lit for use in the U.S. Here’s what that means for health care

Mathematician Katie Steckles explains just why the proliferation of snowflake decorations this time of year is deeply annoying

The ideas presented in George Lakoff and Srini Narayanan's The Neural Mind are fascinating, but the writing is far less compelling

The ideas presented in George Lakoff and Srini Narayanan's The Neural Mind are fascinating, but the writing is far less compelling

Focusing on the futuristic tech that appears in sci-fi without paying attention to the actual point of the story is a big mistake, says Annalee Newitz

Focusing on the futuristic tech that appears in sci-fi without paying attention to the actual point of the story is a big mistake, says Annalee Newitz

The festive season is a period of social connection for many of us, but alone time can be equally enriching, says Thuy-vy Nguyen, principal investigator of the Solitude Lab

With the human family tree now more like a hedge and twice as many known moons, Bill Bryson talks to the New Scientist podcast about refreshing his 2003 bestselling book on science

Feedback's eyebrows are raised at tech millionaire Bryan Johnson's latest exploits, which involve Grimes, music, and hallucinogenic mushrooms