Scientific American.com

After 150,000 articles and 17 million genome sequences, what science has taught us about SARS-CoV-2

USAID investments significantly reduced deaths among children under age five and women of reproductive age, studies show

New work reveals a surprising hero in combating altitude sickness

With wildfires happening more often and burning more area, homes need to be “hardened” to make them more fire-resistant

The EPA rolls back regulations, NASA launches two exciting missions, and we discuss the surprising way whale urine moves nitrogen across the ocean.

Firefly Aerospace’s Blue Ghost Mission 1 lunar lander snapped incredible photographs of the March 13–14 total lunar eclipse, as seen from the moon

Charged water droplets generate sparks that can forge organic compounds

Roughly 8,000-year-old remains unearthed from present-day Tunisia held a surprise: European hunter-gatherer ancestry

Defense Secretary Pete Hegseth wants to end the Pentagon’s climate efforts. Some experts say the move could hurt military readiness

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not

Dogs excel at finding spotted lanternfly eggs in lower-level infestations

As bird flu outbreaks continue to affect animals, experts answer questions about keeping pets and their owners healthy

In colorful photographs of galaxies, stars, planets, and more, what you see isn’t necessarily what you get

A robotics researcher takes on the Russo brothers’ vision from the new movie The Electric State.

Almost 40 years ago, Joseph Borzelleca published a study on the food coloring Red No. 3. The FDA cited his work when banning the additive in January. But the researcher says the dye is safe

D-Wave’s fresh claim that it has achieved “quantum advantage” has sparked criticism of the company—and of the scientific process itself

Titanium hearts could serve as a stopgap for people with heart failure who are waiting for a donor organ

EPA Administrator Lee Zeldin outlined an aggressive plan to dismantle the "holy grail" of climate regulation, the endangerment finding

Born into poverty and abandoned by her parents, Andrea Evangelina Rodríguez Perozo rises from a life selling sweets in the street to become the first female Dominican doctor in 1911

In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists say