People walk along the Lake Michigan during a Polar Vortex

Global Warming Can Lead To Extreme Cold, Too

Some atmospheric scientists believe changes in climate may weaken the jet stream, which makes it easy for cold air to drift over North America.


10:19A man walks on ice near Lake Michigan
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'The Why' On The Polar Vortex

0:47A doctor injects a vaccine against measles, rubella, mumps and chicken pox to an infant.
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Washington Measles Outbreak Is Now The Biggest In Decades

2:32A thermometer in Chicago in January 2019
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Cold And Heat: Which Is More Dangerous, And Why?

1:24A man smokes an e-cigarette.
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FDA Gets A Failing Grade In Protecting Kids From E-Cigarettes

0:55Bangkok, Thailand
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Toxic Smog In Bangkok Forces Schools To Close For Rest Of The Week

0:52Chicken nuggets
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Chicken Nugget Lovers Beware: Perdue, Tyson Recalling 52,000 Pounds

0:50An animal welfare assistant sits with a dog.
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Lawmakers Propose Bipartisan Federal Animal Cruelty Law

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Opioid Company Executives Go To Trial For Alleged Marketing Scheme

0:52Ebola virus
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Congo's Ebola Outbreak Moves Into High-Security-Risk Area

0:51Measles Vaccine
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Washington Declares State Of Emergency Due To Measles Outbreak

1:20Cancer patient receives treatment
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WHO Report Says Cancer Drug Prices Are Set Too High

1:07Crowds on a beach
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2018 Was Earth's Fourth-Hottest Year On Record

0:45Doomsday Clock
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Doomsday Clock Stays At 2 Minutes To Midnight For Second Year

0:53An oil field
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The US Is Set To Export More Energy Than It Imports In 2020

2:28Illustration of a human brain and glasses
Newsy / Nathan Briner

REST: The Serious Work Your Brain Does When You're 'Doing Nothing'

2:03Wind turbines
Argonne National Laboratory

Renewable Energy Is Making More And More Sense

3:26Pro-choice activists in Washington D.C.
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46 Years After Roe V. Wade, 'TRAP Laws' Make Abortion Hard To Access

4:26Map of Central Missouri

This Missouri 'Abortion Desert' Is A Testing Site For Pro-Life Rulings

1:02Doctor writing prescription

Study Links Opioid Overdoses To Pharma Companies' Marketing

1:06A man exhales a plume of e-cigarette smoke
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FDA Chief Threatens To Pull E-Cigarettes Off The Market

0:54Ebola response team meets in the Democratic Republic of Congo
World Health Organization

Ebola Outbreak Death Toll In Congo Reaches 400+

1:42Firefighters monitor a fire along the 101 freeway north of Ventura, California
Getty Images / Mario Tama

Natural Disaster Preparations Halted Across US By Government Shutdown


Scientists Say Saturn Hasn't Always Had Its Iconic Rings

2:51Hello Kitty merchandise
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Human Beings Evolved To Love Cuteness: How 'Kawaii' Conquered The West

0:50Medical marijuana
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Florida's New Gov. Wants To End A Ban On Smoking Medical Marijuana

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FDA Makes It Easier For Drug Companies To Produce OTC Naloxone

2:49The effect of a high tech tattoo when exposed to UV light.
Glenn Asakawa / CU Boulder

The Tattoo That Can Tell Your Temperature

1:31Plants growing aboard the International Space Station

The Promise Of Space Gardening

1:18Acting EPA Administrator Andrew Wheeler
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Senators Bring Up Climate Change During EPA Chief Confirmation Hearing

Pacific Ocean
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2018 Ocean Temperatures Were The Hottest On Record