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Can Some Very Tiny Particles Cool the Planet? One Tech Company Says Yes.

ERIC NIILER

Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say private companies have no business altering Earth’s atmosphere.

Deep-Earth diamonds reveal trove of never-before-seen minerals

Flecks of minerals captured in diamonds show hidden connections between Earth's surface and its deep interior

Depression scales may not work the same for highly intelligent people

Research suggests depression assessment questionnaires can't reliably compare people with differing intelligence

The war in Iran is supercharging an ecological crisis in the Persian Gulf

Despite decades of damage, the Persian Gulf's ecological marvels remain—for now

A Taxidermist Gives Dead Animals a New Life

JORDAN KISNER AND SASHA ARUTYUNOVA

The creation, care and keeping of creatures is a responsibility the last full-time museum taxidermist in the U.S. takes both seriously and joyfully.

Can helium-3 create a ‘gold rush’ on the moon?

The rare isotope helium-3 is one of Earth's most precious commodities—so precious, in fact, that it might prove profitable to mine from the moon

With a Friend in Trump, the Tobacco Industry Secures a Lucrative Win

CHRISTINA JEWETT AND KENNETH P. VOGEL

In a dispute over vapes, the president sided with tobacco companies that filled his groups’ coffers over his own F.D.A. commissioner, who resigned in protest.

Marty Makary, Trump’s F.D.A. Commissioner, Resigns After Weeks of Pressure

CHRISTINA JEWETT

The agency’s top food official will step in to the role after Dr. Makary privately said he opposed the administration decision to approve flavored vapes.

Implantable ‘living materials’ that deliver drugs on demand could help fight infections

In a "breakthrough," researchers demonstrate how engineered bacteria held in a jellylike container could help fight infection in mice

Doubts grow over theory that bird-watchers’ trip to Argentine landfill sparked hantavirus outbreak

The hantavirus cruise outbreak may not have started in a garbage dump in Ushuaia, Argentina, after all

NASA’s Psyche mission is snapping photos of Mars on its way to an asteroid

The Psyche spacecraft is bound for a metal-rich asteroid that it will examine up close starting in 2029. But first, it needs to swing past the Red Planet

16 More People in the U.S. Are Being Monitored for Hantavirus, C.D.C. Says

APOORVA MANDAVILLI

They were passengers on a plane to Johannesburg with an infected Dutch woman who later died.

There’s an 82 percent chance El Niño will ‘emerge soon,’ NWS says

The El Niño climate event is due to return this year, with U.S. forecasters predicting an 82 percent chance of it coming in May through July and a 96 percent chance for it doing so in December through February 2027

‘Golden rule’ in abstract art just discovered by mathematicians

A mathematical ratio could explain why AI-generated art doesn't evoke awe from viewers

U.S. Supreme Court allows mifepristone by mail—for now

The nation's top court extended a stay on a lower court order banning telemedicine access to mifepristone, a drug used in medication abortions—but the order sets up a longer legal fight