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These snakes steal poison from their prey—here's how they know they have enough

Snakes that gain poisons from eating toads seem to know when they're toxic by keeping track of what they last ate

NASA’s nuclear Mars mission, Iran war’s carbon emissions surge and Pfizer’s promising Lyme vaccine trial

NASA's nuclear Mars mission, the Iran war's carbon fallout, the looming climate cost of rebuilding and a hopeful new Lyme vaccine

New ‘Cicada’ COVID variant is spreading in the U.S.—here’s what to know

Infections of the BA.3.2 variant of the COVID-causing coronavirus are still at very low levels, but experts are concerned it may be resistant to immunity from vaccines or prior infection

Titanic and Avatar director James Cameron explains why bees are his latest fixation

James Cameron tells Scientific American how his latest documentary Secrets of the Bees reveals an intimate view of the inside of a beehive

NASA starts countdown clock to historic Artemis II moon mission launch

The space agency is targeting Wednesday, April 1 to launch a crew of four astronauts on a potentially record-breaking journey around the moon and back

Uncovering the World’s Newest and Deadliest Drugs

MATT RICHTEL, KASSIE BRACKEN, BEN LAFFIN, DANIEL VERGARA AND JAMES SURDAM

Overdose rates in the United States have surged with the emergence of new synthetic drugs. Matt Richtel reports from a lab in Pennsylvania where scientists are identifying new drug molecules that toxicology reports can’t detect.

How to get pesticides and "forever chemicals" off fruits and vegetables

Fresh fruits and vegetables can often come with toxic residues from pesticides, some of which contain so-called "forever chemicals." Here's how to limit your exposure