Science

On Thursday, everyone in the northern half of our planet will experience the summer solstice. It’ll be the longest day of the year north of the Equator, and it is the scientific...

One night in October, an enormous swirl of birds flew over Chicago, astounding those who had their binoculars trained on the flashes of yellow, white and brown speckling the sky above. It...

Dozens of environmental, labor and health care groups banded together on Monday to file a petition to push the Federal Emergency Management Agency to declare extreme heat and wildfire smoke as “major...

In Japanese rivers, if you’re very lucky, you might find unusual amphibians that grow up to five feet long and look like strange cartoon dinosaurs. They are giant salamanders.“Salamanders are big, and...

The bird flu outbreak in dairy cattle has so far spilled over to just three farmworkers in the United States, as far as public health authorities know. All of them have had...

Kim Short waited in the doctor’s exam room on an icy day in February, exhausted from the first trimester of pregnancy and trembling in withdrawal from methamphetamine, alcohol, Xanax and Klonopin.She stared...

Several months after a grave computer problem seemed to spell the end for Voyager 1, which for nearly a half century had provided data on the outer planets and the far reaches...

A new law in Florida allowing doctors to perform cesarean sections in outpatient birthing centers has raised serious safety concerns among medical experts, who say the procedures carry a small but real...

Edward C. Stone, the visionary physicist who dispatched NASA’s Voyager spacecraft to run rings around our solar system’s outer planets and, for the first time, to venture beyond to unravel interstellar mysteries,...

On a dark night in February, two male lions stood in the shallows of the Kazinga Channel in Queen Elizabeth National Park, in Uganda, and looked across the water. Nearly a mile...