Scientific American

This “extraordinary” event was likely caused by seismic waves bouncing off Earth’s core, researchers found

Construction of the Deep Synoptic Array is about to start in rural Nevada. It will reveal untold galaxies in stunning detail and help explain how they form and grow

How did we get here?

Galapagos sharks have been spotted scrubbing off parasites with help from manta rays

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

A galaxy appears to be missing the invisible substance thought to hold such objects together, further challenging long-held assumptions about how galaxies form

The great American brain drain could define science for a generation

Flex your math muscles with this weekend’s brain teaser. Play now

People are increasingly turning to AI for mental health support—but its design is “antithetical” to mental health care, experts say

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

This operation opens the door to treating more people living with HIV who have end-stage organ disease

The effort to pull some 900 ocean-monitoring buoys and sensors from the water drew backlash from scientists and lawmakers

Some countries have seen a stark decline in academic freedom over the past decade

A new method that detects whether bones have been burned reveals Homo erectus brought fires into caves far earlier than previous evidence had suggested

On Thursday Knicks fans are flocking to Manhattan for a ticker-tape parade. But where did ticker tape even come from?

Some mathematicians have predicted when humanity’s downfall might occur—though the circumstances are unspecified

The James Webb Space Telescope has found nearby brown dwarfs masquerading as far-distant galaxies. The discovery reinforces how, in astronomy, what you see isn’t always what you get

A cold, cherry-blossom-hued exoplanet supports bizarre clouds chock-full of salts

The quest to approximate irrational numbers with fractions reveals hidden patterns, surprising hierarchies and enduring mathematical mysteries

Everyday viral infections may be quietly reshaping the body’s network of molecules that support cells and tissues in ways that can raise cancer risk over time

Even if you aren’t going to be within the path of totality, you can still watch the solar eclipse as it happens with Scientific American

These ruins, located just five kilometers from Stonehenge, likely laid the groundwork for religious rites celebrating the longest and shortest days of the year

Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close

This partnership marks the latest foray into space exploration for Relativity Space, which aims to build cheap, reusable rockets

Early research suggests that some mental health conditions could stem from metabolic disorders. If so, the findings could change how we treat mental illness

On steering the path forward for research and innovation

Mikhail Verbitsky was detained at an Armenian airport last Thursday on charges of inciting terrorism

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

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

Graves of hunter-gatherers in Siberia point to a deadly disease outbreak dating to some 5,500 years ago, a new DNA analysis finds

If the supernova remnant is confirmed, it would be one of the closest to the supermassive black hole that lies in the center of the Milky Way

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

Why the human brain can't fathom what it means to be a trillionaire

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

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

Tropical Storm Arthur is the first named storm of the Atlantic hurricane season and will bring heavy rains and potential flash flooding to the Southeast

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

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