science

South Texas is the one place in the U.S. where ocelots breed in the wild. After the death of a male, scientists tried something novel: artificial insemination from a wild ocelot into one at a zoo.

A commenter said the new uniforms look like something from Battlestar Galactica, adding one of the show's taglines: "So say we all."

A new study shows that as people mostly remained indoors during lockdowns last year, many bird species found less noisy and polluted cities more inviting.

According to the National Weather Service, at 3:20 p.m. EDT today, the Autumnal Equinox (the moment when the length of daylight and darkness are almost perfectly equal) occurs.

Newly published U.S. data finds overdose deaths from methamphetamine use more than doubled in recent years. Use of the stimulant among Black Americans surged nearly tenfold.

A new study indicates that the relatively low mass of Mars allowed most of its water to be lost to space billions of years ago, rather than retained on its surface.

Dr. Janet Woodcock, an administrative veteran of the Food and Drug Administration since the 1980s, has been acting director of the agency since January. Why is the permanent job so hard to fill?

The announcement provides needed momentum for global climate change negotiations in November, but coal power is expected to keep growing within China itself.

Scientists thought that humans with stone weapons may have caused the disappearance of Ice Age beasts like woolly mammoths. New research shows that stones were no match for mammoths' hair and hide.

Intensive rehabilitative therapy that starts two to three months after a stroke may be key to helping the injured brain rewire, a new study suggests. That's later than covered by many insurance plans.