Scientific American

The first participant has been treated in a landmark clinical trial of cellular reprogramming, which aims to rejuvenate aging cells

Researchers have created the first high-resolution global map of the extent of one of Earth’s largest—and least visible—living networks

Dogs spontaneously aid struggling humans the way young children do—whereas cats wait until they stand to benefit

Tungsten is a coveted metal for military uses. Restoring domestic supply could help with ongoing munitions shortages

Famed AI wins in Go let human players rethink their moves in a whole new way

Mathematicians have considered how to watch every corner of a space—but soccer adds moving players, blocked views and constant action

A step-by-step guide to the “Doginburgh Inventory,” a new pawedness test developed by dog behavior researchers

Start your morning with today’s Spellements. Create as many words as you can from our daily selection of letters—including one tied to recent science news. Play now.

The fossilized remains of more than 450 whales have amassed along a 750-mile-long stretch of the Indian Ocean floor

NASA’s X-59 research aircraft reached its target speed and altitude for the first time on Friday

The University of California, Berkeley, materials scientist on the hope the next generation of scientists represents

Angine de Poitrine don't abide by the usual rules of Western music, using their own custom-built guitar to strike notes that shouldn't exist

The 24 alien books the Scientific American staff love, from The Hitchhiker’s Guide to the Galaxy to Contact and beyond

The energy entrepreneur talks about the state of science innovation in the U.S.

The ability to run “mental marathons” is a skill children can learn through simple, but dedicated, practice

Extremely curved spacetime can warp cause and effect, creating channels for backward communication

The machine-learning guru discusses how politics is undermining U.S. science

Fossilized poo harbors remains from mammoths, bison and big cats, including some of the oldest DNA ever reconstructed

Billions of emerging insects will likely trigger predator population surges—but some species mysteriously opt out of such bounties

The 2025 Nobel laureate on the need for better science communication

The new movie Disclosure Day is all about a big, alien secret. But SETI researchers behind the updated postdetection protocol say they aren’t in the business of secrets

Dermatologists and skincare aficionados are excited for the U.S. to finally get a new, more protective sunscreen filter after more than 20 years of regulatory roadblocks. Here’s how bemotrizinol works

The Nobel laureate on how resilience can help young scientists succeed and why governmental support of science should be bipartisan

A linguist lays out what communicating with aliens could actually involve—and what that tells us about human language

The magnitude 7.8 earthquake that hit the Philippines happened at a subduction zone. Such places are capable of producing the largest earthquakes possible

The materials scientist describes how science is a contact sport

Weight lifting and other forms of resistance training can increase bone density, lower diabetes risk and boost mental health

The mathematician and former NFL player on the benefits of having a broad background for young people who are interested in science

The university president on narrowing the time between discovery and societal impact

When asteroids slam into Earth, they can create hydrothermal vent systems

The famed cardiologist discusses how AI has transformed biomedical science

The computational neuroscientist on how scientists themselves need to better advocate for government support

An experiment with 2,520 participants backs Richard Feynman’s answer to every diner’s dilemma: Do I want to try something new?

The Caltech president on recommitting to American science

The Neuralink co-founder on how artificial intelligence is the new industrial revolution

New results challenge AI’s promise for solving how fluids swirl—and suggest a more human path forward

The noted aging researcher talks about how scientists are like birds

The Stanford University artificial intelligence leader on why basic science needs more support

The university president and biomedical scientist talks about the hope and doubt in U.S. science today