It is clear to everyone that astronomy at all events compels the soul to look upwards, and draws it from the things of this world to the other.

— Plato

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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: 3 hours 5 min ago

What Is ‘Squirting’? The Science behind the Controversial Phenomenon Explained

Wed, 04/02/2025 - 6:00am

A mysterious and often debated aspect of human sexuality colloquially known as “squirting” sparks controversy. This episode explores what research reveals.

Categories: Astronomy

NIH Director Removes Four Main Scientists amid Massive Staff Purge

Tue, 04/01/2025 - 6:15pm

The Trump Administration has fired four leaders and thousands of employees at the National Institutes of Health in “one of the darkest days”

Categories: Astronomy

SpaceX’s Fram2 Mission Sends Four Private Astronauts into Polar Orbit

Tue, 04/01/2025 - 5:00pm

The privately funded Fram2 mission is the first ever to take astronauts into polar orbit—and the latest sign of a “new normal” for human spaceflight

Categories: Astronomy

Trump Administration Cancels NIH Scientific Integrity Policy

Tue, 04/01/2025 - 12:30pm

The National Institutes of Health said it pulled the policy because of language on diversity and inclusion, in line with directives from the Trump administration

Categories: Astronomy

As Happened in Texas, Ignoring EPA Science Will Allow Pollution and Cancer to Fester

Tue, 04/01/2025 - 7:30am

Trump administration plans to destroy EPA science will leave the air we breathe and the water we drink more polluted

Categories: Astronomy

Even Four-Year-Olds Instinctively Fact-Check for Misinformation

Tue, 04/01/2025 - 6:45am

Children ages four to seven demonstrate natural fact-checking skills when put to a test with zebras and space aliens

Categories: Astronomy

As Measles Continues to Rise, CDC Muffles Vaccine Messaging

Mon, 03/31/2025 - 4:15pm

By burying an assessment with updates and recommendations about the U.S.’s current measles outbreaks, the CDC has signaled an alarming shift in its public messaging

Categories: Astronomy

Watch SpaceX Launch Historic Fram2 Crewed Mission over Earth’s Poles Tonight

Mon, 03/31/2025 - 1:45pm

Fram2, a first-of-its-kind private mission to send four astronauts into polar orbit around Earth, is about to launch

Categories: Astronomy

Big Banks Quietly Prepare for Catastrophic Climate Change

Mon, 03/31/2025 - 12:15pm

Morgan Stanley, JPMorgan and an international banking group have quietly concluded that climate change will likely exceed the Paris Agreement’s 2 degree C goal and are examining how to maintain profits

Categories: Astronomy

Is There a Plus Side to Mental Labor?

Mon, 03/31/2025 - 11:15am

Women shoulder most of the work in managing a family and tell us it’s exhausting, but some also say it has benefits

Categories: Astronomy

Top U.S. Researchers Warn against ‘Climate of Fear’ Threatening Science

Mon, 03/31/2025 - 11:00am

Despite fears that speaking out will make them targets, top researchers warn that the Trump administration’s “wholesale assault on U.S. science” will harm the nation

Categories: Astronomy

Why 50-Degree-F Days Feel Warmer in Spring Than in Fall

Mon, 03/31/2025 - 10:30am

There are real, physiological reasons why the same temperature feels different in April and October

Categories: Astronomy

Does Intermittent Fasting Improve Health beyond Weight Loss?

Mon, 03/31/2025 - 8:00am

Intermittent fasting has gained a following, in part because of tantalizing hints that it can boost cognition, fend off cancer and even slow aging

Categories: Astronomy

Time Spent in Nature Is Good for Your Brain, but an Excess Can Negate These Benefits

Mon, 03/31/2025 - 7:30am

A “Goldilocks” measure of green space might help stave off dementia, but an excess could lead to cognitive decline

Categories: Astronomy

The Sounds of Sharks, Meaning behind Mars Molecule and Federal Cuts to Science and Health Agencies

Mon, 03/31/2025 - 6:00am

Cuts to federal health and science agencies continue. Plus, we discuss the sounds of sharks, the meaning of Martian molecules and one big dino claw.

Categories: Astronomy

Are Near-Death Experiences the Brain's Attempt to Survive Lethal Threats?

Mon, 03/31/2025 - 12:00am

Researchers put forward a comprehensive model outlining the conditions that may give rise to the vivid mental phenomena that some people experience as they near death

Categories: Astronomy

COVID Research Funding to Be Slashed, NIH Documents Show

Fri, 03/28/2025 - 4:15pm

Studies on COVID, climate change and South Africa are on the latest list of terminated grants by the U.S. National Institutes of Health, according to updated documents obtained by Nature

Categories: Astronomy

What Caused the Magnitude 7.7 Myanmar and Thailand Earthquake?

Fri, 03/28/2025 - 2:30pm

A magnitude 7.7 earthquake in Myanmar caused widespread shaking and likely considerable damage because of a lack of buildings built to withstand temblors

Categories: Astronomy

Amid Trump Cuts, Climate Researchers Wait for the Ax to Fall

Fri, 03/28/2025 - 2:00pm

Climate experts whose research is funded by federal grants hide, whisper and wait for their jobs to disappear

Categories: Astronomy

PFAS Found in Nearly Half of Americans’ Drinking Water

Fri, 03/28/2025 - 12:15pm

New data released by the EPA show that nearly half of people in the U.S. have drinking water contaminated by toxic “forever chemicals,” or PFAS

Categories: Astronomy