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Trump’s NASA Pick, Jared Isaacman, Is a Climate Mystery

These Two Botanists Put Their Lives on the Line on the Colorado River All for Their Science

For Orcas, Dead Salmon Hats Are Back in Fashion

New Pneumonia Vaccine Guidelines Could Save More People from Deadly Disease

Trump Taps Jared Isaacman, Billionaire and Private Astronaut, to Lead NASA

Hawaiian Crows Return to the Wild, Where They Are ‘Guides to Souls’

Does Sleep Training Work?

What is Long-Acting Reversible Birth Control?

Why Gen Z Men Voted for Trump

Can Antarctic Wildlife Survive Another Deadly Bird Flu Season?

Anthony Fauci Warns of Bird Flu Dangers—And How Public Division Could Make It Worse

Why ‘Brain Rot’ Is 2024’s Word of the Year

Plate Tectonics May Be the Surprising Solution to Earth's Deepest Mystery

Health Care Isn’t Working for Homebound Older Adults Living Alone

The Arctic Could Be Functionally Ice-Free in Just a Few Years

Nectar-Eating Wolves May Be Pollinating Flowers

Global Plastic Pollution Treaty Talks Fail

Why These Millennia-Old Brains Are So Well Preserved

What Caused This Seven-Mile Scar in Australia’s Outback?

When Is Too Much Teeth Whitening Harmful to Oral Health?

Lightning on Earth Knocks ‘Killer Electrons’ Loose in Orbit

Math and Physics Can’t Prove All Truths

Hope Can Be More Powerful Than Mindfulness

‘Marine Snow’ Studies Show How the Ocean Eats Carbon

What Are Crepuscular Rays?

Fossil Footprints Suggest Two Early Human Species Crossed Paths within Hours

Your Friends Shape Your Microbiome—And So Do Their Friends

Choosing Empathy Is Critical to Democracy

Walking Pneumonia Is Surging in Young Kids. Here's What to Know

What Makes the Eastern U.S. Drought Different from the West’s

Science for True Well-Being

Expressions of Pain May Have a Common Origin

Why We Probably Won’t Find Aliens Anytime Soon

A Science Breakthrough Too Good to Be True? It Probably Isn’t

Fluoride in Drinking Water Is Safe. Here’s the Evidence

A Psychologist’s Tips for Avoiding Overconsumption this Black Friday

Fast Fashion Affects Climate, Exploits Workers and Creates Enormous Textile Waste

Wildfire Smoke Linked to Increased Risk of Dementia

How the Return of Salmon to the Klamath River Shows Us What’s Possible in Wildlife Conservation

How Magnet Fishers Catch Underwater Garbage, Guns and Sometimes Treasure

Dr. Oz Invested in Businesses Regulated by Agency Trump Wants Him To Lead

How Humor Can Help You Get through Hard Times

When a Nation Embraces a False Reality

RFK, Jr., Could Run the Agency That Oversees the CDC, FDA and NIH. Here’s What That Means for Public Health

Confronting the Dangers of Silent Spread Is Necessary to Prevent Future Pandemics

Scientists Scramble to Save Climate Data from Trump—Again

How Trump Could Weaken the Affordable Care Act

Mathematicians’ Newest Assistants Are Artificially Intelligent

World’s Oldest Alphabet Discovered

Here’s Why Abortion Largely Won on Election Day—But Not on the Top of the Ticket