A large truck

EPA Considers Rule Changes To Reduce Heavy-Duty Truck Pollution

The agency announced Tuesday that it's starting the process of revamping emissions standards for heavy-duty highway trucks.


1:08A woman sleeps.

We're Still Learning How Music Helps Us Sleep

0:56People at the ocean
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Scientists Miscalculated In Report Claiming Oceans Absorbed More Heat

1:19Emission from a smoke stack.
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G20 Nations Are Still Far From Reaching Paris Climate Goals

0:43A doctor holds a stethoscope.
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Cases Of Rare Polio-like Illness Continue To Increase

1:07Firefighters assist overdose victim
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Study: US Has Highest Drug Overdose Death Rate Of 13 Developed Nations

1:33Juul products
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Juul To Temporarily Stop Selling Certain Flavored Vape Pods In Stores

1:01Person vaping blu e-cigarette

Blu E-Cigarettes Will Make Changes To Reduce Teen Vaping

1:20A Fire firefighter sprays water on a home during the Camp Fire on November 9, 2018
Getty Images / Justin Sullivan

Are The California Wildfires The Product Of Resource Mismanagement?

0:52NHL logo on ice
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NHL, Retired Players Reach Tentative Settlement In Concussion Lawsuit

0:41A Siberian tiger yawns.
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China Reinstates Ban On Using Tiger And Rhino Parts

1:19People exercising on an elliptical machine
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New Federal Guidelines Encourage Americans To Move More

1:20Army Veteran Tommy Shelton, Brinkley, Ark., has his eyes examined by Capt. Yolanda Arce, a doctor of optometry.
SSG Neil W. McCabe/Army Reserve Medical Command

There Are 40,000 Job Openings At The Veterans Health Administration

2:44A sign welcomes immigrations to the U.S.
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Some Activists Claim Immigrants Carry Disease. Here's The Truth.

0:52Juul pods
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FDA Expected To Propose Major Restrictions On E-Cigarettes

1:02Cigarette butts in an ashtray
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The Cigarette Smoking Rate In The US Has Hit A Record Low

1:27A bumblebee forages for pollen while wearing a unique tracking tag
James Crall

Our Most Widely-Used Insecticide Makes Bees Lazy And Causes Die-Offs

2:30South Side Diabetes Project Food Tour
Madeline Carl

How One Community Is Tackling The Diabetes Gap In Its Backyard

0:53Toxic smog covers New Delhi, India
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Indian Capital Covered In Toxic Smog

1:38Pork chops
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Study Says 'Meat Tax' Could Save Hundreds Of Thousands Of Lives

0:57Health worker in Africa wears protective gear
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Uganda Is The First Country To Vaccinate For Ebola Before An Outbreak

0:52Launch of NASA's Parker Solar Probe

NASA's Solar Probe Just Made The Closest-Ever Flyby Of The Sun

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Around 33,000 Europeans Die Every Year From Superbugs

0:57Heath worker responds to Ebola outbreak in the Democratic Republic of Congo
World Health Organization

CDC Warns Ebola Outbreak In Congo Could Become Uncontrollable

1:08A child walks on the beach.

Spanking is Harmful and Ineffective, Pediatricians Say

1:28Sky over Los Angeles
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UN-Backed Report Says Ozone Layer Is Healing

1:03Tire in a dried up reservoir
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Supreme Court Won't Block Young Americans' Climate Change Lawsuit

1:05A man repairs a clock at a store in in Plantation, Florida
Getty Images / Joe Raedle

Our Internal Clocks Are At Odds With Daylight Saving Time

0:54A young woman puts sunscreen on her friend.
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Palau Will Be The First Nation To Ban 'Reef-Toxic' Sunscreens

1:40A sign points towards the Accident and Emergency department of St Thomas' Hospital
Photo by Oli Scarff/Getty Images

Mental Health-Related ER Visits Are Becoming More Common For Children

10:55A nurse undergoes physical therapy for an on-the-job injury.

Violence Against Nurses Is Up While OSHA Enforcement Is Down