Opinion

The 1934 puzzle book Cain’s Jawbone stumped all but a handful of humans. Then AI took the case

Using “slow water” methods can make the Colorado River Basin and its people more resilient

For centuries, scientific discoveries have suggested humanity occupies no privileged place in the universe. Now, however, studies of worlds beyond our solar system could place meaningful new limits on our existential mediocrity

Law enforcement should fight crime, violence, and corruption and not pretend its job is to shrink the illicit drug supply enough to prevent its use

A judge’s bad decision about the abortion pill rests on stigma about abortion that harms health care

With an April 7 court decision, one judge has harmed women’s health and undermined trust in science-based drug approvals in the U.S.

Moves in Florida to control public education mirror past fascist strategies in ways that are disquieting for American democracy, a historian argues

Bird flu outbreaks are a numbers game, and the numbers are turning against us

The hunt for dark matter is in crisis, and it’s time for radical new ideas to explain our universe

With millions of people affected and at least $1 trillion of economic value at stake, long COVID is our next national health emergency

Looming gaps in astronomers’ views of the heavens could undercut the revolutionary potential of NASA’s latest, greatest space telescope

Tens of millions of people who hunt and fish are witnesses to climate change, and they are a critical constituency in efforts to reduce global warming