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NASA chief Jared Isaacman hints at campaign to make Pluto a planet again

The NASA administrator's latest remarks in support of reexamining Pluto's status come 20 years after the orb was downgraded to a dwarf planet by the International Astronomical Union

City birds appear more afraid of women than men, and scientists have no idea why

"I fully believe our results, that urban birds react differently based on the sex of the person approaching them," said a co-author of a study that made this finding, "but I can't explain them right now"

Could At-Home Brain Stimulation Reduce Psychiatry’s Reliance on S.S.R.I.s?

RACHEL E. GROSS

A headset recently approved by the Food and Drug Administration uses a weak electric current to shock the brain. Some researchers hope it could challenge the current pill-centric paradigm.

Global Deforestation Slows, W.R.I. Report Finds. But Wildfires Are Taking a Toll.

SACHI KITAJIMA MULKEY AND HARRY STEVENS

In 2025, the world razed less forest than any other year in the last decade. The bad news: global warming is making wildfires more frequent and intense.

Chanda Prescod-Weinstein connects physics, poetry and pop culture

A physicist explores how poetry, pop culture and imagination help us understand spacetime and our place in the universe

Pregnancy With Lupus Is Risky. Would She Be Able to Carry Her Baby to Term?

RONI CARYN RABIN AND HEATHER KHALIFA

Fatimah Shepherd’s kidneys were compromised, and pregnancy could send her into kidney failure.

The Murky Ethics of Swimming With Killer Whales

ALEXA ROBLES-GIL AND MEGHAN DHALIWAL

Only two places in the world allow tourists to enter the water with the ocean’s apex predator. But the safety of both species is a growing concern.

Scientists Unveil ‘Long Lost’ Map for Smell

EMILY ANTHES

The odor receptors in the nose are not distributed at random but organized in a precise spatial pattern, two new studies reveal.

How to Build a Better Kind of Nuclear Power? This Side Hustle Might Help.

RAYMOND ZHONG

Zap Energy says its ultimate goal is safe, clean energy from fusion. To help get there, it’s starting to build fission reactors.

What you eat for lunch could influence your immune system just hours later

Our food choices could play an important, short-term role in how our bodies respond to infections, new research suggests

DOJ indicts former Fauci adviser David Morens on charges related to COVID pandemic

Former National Institutes of Health official David Morens is accused of evading record requests related to the COVID pandemic's origins and gain-of-function research

What happened after the fall of Rome? Ancient genomes offer new clues

A genomic analysis of people buried on the border of the ancient Roman Empire show how distinct groups combined after the empire's fall

A giant hailstorm just killed an emu at a Missouri zoo

A hailstorm of these proportions is "unusual" but not unheard of in Missouri at this time of year, one expert says

Measles outbreaks can end, but the danger of the disease doesn’t

The recent measles outbreak in South Carolina sickened nearly 1,000 people before public health officials got it under control. Vaccination can effectively prevent further spread

Peter Raven Dies at 89; Botanist Warned of Perils of Climate Change

KEITH SCHNEIDER

He transformed the Missouri Botanical Garden into an international research hub and laid out the existential threats posed by deforestation and unchecked development.