"Man will never reach the moon regardless of all future scientific advances."

— Dr. Lee De Forest

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Updated: 23 hours 8 min ago

Climate Change’s Fingerprints Came Early, a Thought Experiment Reveals

Fri, 07/04/2025 - 10:00am

Climate change left its signature on the atmosphere early in the industrial revolution, reveals a thought experiment investigation

Categories: Astronomy

Workers Have Died in Extreme Heat as OSHA Has Debated Protections

Fri, 07/04/2025 - 8:00am

The June heat dome contributed to the deaths of at least three people. They have died as federal regulators have weighed whether to finalize the nation’s first heat protection rule for workers

Categories: Astronomy

Human Gut Bacteria Can Gather Up PFAS ‘Forever Chemicals’

Fri, 07/04/2025 - 7:30am

When tested on their own and in mice, these bacterial strains from the human microbiome show promise in accumulating PFAS

Categories: Astronomy

Can Life Survive the Death of the Sun?

Fri, 07/04/2025 - 6:45am

The future is bright—too bright—for life as we know it once the sun transforms into a red giant star

Categories: Astronomy

Proof That Adult Brains Make New Neurons Settles Scientific Controversy

Thu, 07/03/2025 - 3:30pm

Adult brains grow new neurons, and scientists have finally pinpointed where they come from

Categories: Astronomy

First Human Genome from Ancient Egypt Sequenced from 4,800-Year-Old Teeth

Thu, 07/03/2025 - 2:00pm

Forty years after the first effort to extract mummy DNA, researchers have finally generated a full genome sequence from an ancient Egyptian, who lived when the earliest pyramids were built

Categories: Astronomy

How Massive Medicaid Cuts Will Harm People’s Health

Thu, 07/03/2025 - 11:40am

Evidence shows that Medicaid improves people’s health and is particularly vital for babies, older people in need of long-term care and people in rural communities

Categories: Astronomy

New Interstellar Object Comet 3I/ATLAS—What We Know So Far as It Zips through the Solar System

Thu, 07/03/2025 - 11:15am

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system

Categories: Astronomy

Republicans’ One Big Beautiful Bill Act Will Raise U.S. Climate Emissions

Thu, 07/03/2025 - 10:50am

Four research firms project that the Republicans’ One Big Beautiful Bill Act will raise greenhouse gas emissions and likely put U.S. and global climate goals out of reach

Categories: Astronomy

Record-Breaking Results Bring Fusion Power Closer to Reality

Thu, 07/03/2025 - 8:00am

Breakthroughs from two rival experiments, Germany’s Wendelstein 7-X and the Joint European Torus, suggest the elusive dream of controlled nuclear fusion may be within reach

Categories: Astronomy

How Trump’s Federal Funding Cuts Are Hurting Early-Career Researchers and American Health

Thu, 07/03/2025 - 7:00am

Canceled grants and slashed budgets are disproportionately affecting junior health researchers, dealing a major blow to the future of science and society in the U.S.

Categories: Astronomy

AI Could Help Save Patients from Extreme Heat

Wed, 07/02/2025 - 11:15am

AI could be used to comb through electronic health records and warn vulnerable people about dangerous heat waves

Categories: Astronomy

Astronomers Found the Most Self-Destructive Planet in the Sky

Wed, 07/02/2025 - 11:00am

This planet triggers flares on its star—spelling its ultimate doom

Categories: Astronomy

China’s Tianwen-3 Mission Could Beat the U.S. in the Race to Grab Mars Rocks

Wed, 07/02/2025 - 8:00am

Launching in 2028, China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts

Categories: Astronomy

For Dolphins, Echolocation May Be More Like ‘Touching’ Than ‘Seeing’

Wed, 07/02/2025 - 6:45am

Dolphins seem to “feel” their way across the sea with narrow, sweeping beams of sonar

Categories: Astronomy

Could AI Make Drone Shows Less Technically Challenging?

Wed, 07/02/2025 - 6:00am

AI can allow engineers to focus on artistry over technical details for drone shows

Categories: Astronomy

4 Nonfiction Books Scientific American Recommended In June

Tue, 07/01/2025 - 5:00pm

Here's a collection of exclusive book recommendations, from slithering snakes to a river's impact, for your summer reading lists, curated by Scientific American

Categories: Astronomy

U.S. National Climate Assessments Website Goes Dark

Tue, 07/01/2025 - 12:00pm

Links to the U.S.’s most comprehensive climate reports—the National Climate Assessments—disappeared from the Internet on Monday, along with the official government website that houses them

Categories: Astronomy

Could China’s New Ozempic-like Drugs Beat Out Current Weight-Loss Medications?

Tue, 07/01/2025 - 9:30am

GLP-1 drugs currently being tested in China target complications associated with obesity such as heart disease, fatty liver disease and type 2 diabetes

Categories: Astronomy

Russia’s Space Program Is Another Casualty of the War in Ukraine

Tue, 07/01/2025 - 9:00am

To achieve its ambitious plans for missions to the moon and beyond, Russia needs other spacefaring nations as partners. But the war in Ukraine is making that help increasingly hard to find

Categories: Astronomy