Astronomy

Despite a brief panic, asteroid 2024 YR4 isn't likely to hit us anytime soon, but we can still study the asteroid up close to help us understand these space rocks.

NASA’s Perseverance rover recorded unusual sounds as a Martian dust devil passed directly over the robotic vehicle in 2021, and we now know they came from electrical activity in the storm

NASA’s Perseverance rover recorded unusual sounds as a Martian dust devil passed directly over the robotic vehicle in 2021, and we now know they came from electrical activity in the storm

Analyzing the metaphors we use to talk about ChatGPT can reveal how we’re thinking about the new tech

A personal quest and progress in brain science finally put a name on baffling behaviors

Play this crossword inspired by the April 2025 issue of Scientific American

Finish the cycle of numbers in this math puzzle

As a complex picture of schizophrenia emerges, so do new ways to treat the disorder

Dark matter could be an entire dark sector of the universe, with its own particles and forces

The U.S. Army Corps of Engineers has uncharacteristically been working with nature instead of bulldozing it into submission. Will this enlightened approach prevail?

Studies of the horns, spikes, plates and clubs of dinosaurs could help settle a long-standing debate over their function

It was the opening scene of "Apollo 13" and was recreated for the Neil Armstrong biopic "First Man." It was also included in director Mark Craig's "Last Man on the Moon," inspiring "Apollo 1."

Scientists say that officials from the National Institutes of Health urged them to remove references to mRNA vaccine technology

New findings from China's Chang'e 6 lunar farside samples offer insights into the moon's volcanic past and mantle evolution.

Proposed cuts to Medicaid could undo advances in treatment for opioid use disorders, risking more overdoses, deaths and stress on the U.S. health system

For years, Egyptologists have assumed pyramid tombs were just for the rich – but the burials at a site called Tombos don’t fit this pattern

For years, Egyptologists have assumed pyramid tombs were just for the rich – but the burials at a site called Tombos don’t fit this pattern

A new way of estimating rural populations has found that we may be undercounting people who live in these areas, potentially inflating the global population beyond the official count of 8.2 billion – but not everyone agrees

A new way of estimating rural populations has found that we may be undercounting people who live in these areas, potentially inflating the global population beyond the official count of 8.2 billion – but not everyone agrees

NASA astronauts Butch Wilmore and Suni Williams are on their way home from a nine-month space mission that was supposed to last just 10 days. Here's a rundown of their eventful time off Earth.