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Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Updated: 16 hours 41 min ago

Too many sleepless nights may lead to weight gain

Mon, 07/06/2026 - 5:00pm

Getting as little as 90 minutes less sleep than usual may lead to gaining weight and becoming more sedentary, a new study finds

Categories: Astronomy

Did our modern human ancestors and Neanderthals share a common culture?

Mon, 07/06/2026 - 3:24pm

Both Neanderthals and Homo sapiens may have shared tools and behavioral practices, new research suggests

Categories: Astronomy

Wordle, but for art history—Anthropeum turns the Met Museum into an online game

Mon, 07/06/2026 - 12:30pm

Anthropeum is a daily game that uses the Met’s open-access data to showcase underrepresented art and artifacts

Categories: Astronomy

NASA’s exoplanet mission accidentally discovers a world it was never meant to find

Mon, 07/06/2026 - 10:00am

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built around

Categories: Astronomy

Chinese spacecraft Tianwen-2 beams back first image of Earth’s “mini moon”

Mon, 07/06/2026 - 9:30am

China’s Tianwen-2 aims to collect samples from asteroid Kamo’oalewa and return them to Earth

Categories: Astronomy

Can the chances of a successful IVF pregnancy be improved with AI?

Mon, 07/06/2026 - 6:00am

Some IVF clinics are using AI to perform tasks such as sperm and embryo selection, but some fertility experts question whether the technology will lead to more live births

Categories: Astronomy

Is AI ruining our skills? Early results are in—and they’re not good

Sun, 07/05/2026 - 8:00am

Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show

Categories: Astronomy

For July 4, NASA unveils an astronomical fireworks show, complete with sound effects

Sat, 07/04/2026 - 7:00am

The rocket's red glare has nothing on these images from Chandra X-ray Observatory

Categories: Astronomy

How working memory could give rise to consciousness

Fri, 07/03/2026 - 8:00pm

Working memory is the information we need to access to complete the tasks we’re engaged in right now, and scientists think it may be closely entwined with consciousness

Categories: Astronomy

Ancient ‘hobbits’ feasted on Komodo dragons’ leftovers

Fri, 07/03/2026 - 2:00pm

The hominins may have gone on adventures, but they lacked key skills of modern humans

Categories: Astronomy

July 4 heat wave would've been 'virtually impossible' in 1776

Fri, 07/03/2026 - 7:30am

People in the U.S. experience more, and more intense, heat waves than the Founding Fathers would have

Categories: Astronomy

Archaeologists uncover new history from the Battle of Bunker Hill, the first major battle of the American Revolution

Fri, 07/03/2026 - 7:00am

New archaeology has uncovered everything from musket balls to wig curlers at the site of the Battle of Bunker Hill, the first major clash of the American Revolution

Categories: Astronomy

What will happen to the moon in the far future?

Fri, 07/03/2026 - 6:45am

The moon is Earth’s constant companion. But will that always be the case?

Categories: Astronomy

The biological dogma that women don’t make new eggs after birth may be wrong

Fri, 07/03/2026 - 6:30am

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus

Categories: Astronomy

The Lincoln Memorial Reflecting Pool’s algae problem has better solutions than hydrogen peroxide, experts say

Fri, 07/03/2026 - 6:00am

Trying to kill algae with chemicals is a common response when community ponds or other water features go green, but a freshwater ecologist says there may be safer and more effective solutions

Categories: Astronomy

NASA needs volunteers to spend a year locked in a Mars simulation

Thu, 07/02/2026 - 3:00pm

The space agency has put out a call for its Moon & Mars Exploration Analog, which recreates the challenges of a long-duration space mission

Categories: Astronomy

Male marathoners might be twice as likely to ‘hit the wall’ as women—the reason why might surprise you

Thu, 07/02/2026 - 12:00pm

The way women use energy while running is fundamentally different from men

Categories: Astronomy

How to avoid heat illness and stay safe during the mega heat wave

Thu, 07/02/2026 - 10:30am

A heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here’s what to do to stay safe—and why you don’t just need to drink lots of water

Categories: Astronomy

Why digital government records are so hard to preserve

Thu, 07/02/2026 - 8:00am

Chat apps, e-mail, and cloud files have become the primary record of how power is exercised. Archivists are trying to preserve them before formats go dark or messages disappear without a trace

Categories: Astronomy

The White House goes all in on aliens with new UAP Science Advisory Council

Thu, 07/02/2026 - 7:30am

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence community, as well as to publish its findings in peer-reviewed journals

Categories: Astronomy