Scientific American

Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past

The tool could eventually lead to an entirely new approach for treating mental health

The gas is a major driver of climate change

Knots show how to generate infinitely many formulas of a kind developed by the visionary genius

Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to the existence of extraterrestrial life

Under the new policy, compounded combinations of these unproven peptides can now be dispensed by certain pharmacies

The staggering new estimate is based on an analysis of thousands of former players’ medical records

Scientific American talks to author John Scalzi about his tentacle-filled 20th novel, its balance of hope and cynicism—and the possibility of a Chappell Roan crossover

The potential for a wider outbreak is low, but experts are still investigating how the disease-causing virus leaped from animals to humans in the first place

From Medicare for All to research grants, science-driven issues are playing a role in the midterm elections

Bats deserve a little more love

Located farther away from Earth than Pluto, the object was hidden in the light of the Milky Way’s stars

Another bombshell result shows how artificial intelligence is fueling fierce competition at the frontiers of math and physics

A question posed by Sir Walter Raleigh about cannonballs inadvertently led to a puzzle that mathematicians have been trying to solve for centuries

Jennifer Shuford, a well-respected infectious disease researcher, cited a desire to spend more time with her family

The results resolve major problems in math, physics and computer science. But like other recent AI-generated “slop drops,” the releases are already controversial

Depression tied to the body’s sleep cycle could be less responsive to antidepressants and cause more severe symptoms

Ocean water could help dissipate the heat from data centers, but the infrastructure could threaten endangered whales

The death of a worker at a Russian plague lab was alarming, but the disease is extremely unlikely to become a worldwide problem as it has in the past

Anthropic is preparing to go public, and new documents show how the lab hopes to control its technology while also pushing the limits of what AI can do