US used wind power more than coal or nuclear for the 1st time

For one day at least, wind was the second-largest source of energy in the U.S., just behind natural gas, according to the U.S. Energy Information Administration (EIA).

Nuclear gauge containing sources of radioactive material taken from vehicle in Philadelphia

Environmental officials in Pennsylvania say a portable nuclear gauge that contains sealed sources of radioactive material is missing from a vehicle that was stolen in Philadelphia.

How the Titanic was taken down by a mirage

Unusual atmospheric conditions led to a most historic end for the star-crossed White Star liner.

Space weather alert: G2 geomagnetic storm watch in effect, auroras possible

Don’t expect massive power outages this week, but do expect to see beautiful northern lights after a significant solar flare erupted from a location on the sun’s surface previously believed to be inactive.

National Park Week: Free entry for all on April 16

Enter any national park for free this Saturday to kick off the start of National Park Week.

There's still a way to reach global goal on climate change

A new study finds that if the nations of the world live up to their promises, future climate change can be kept to within an international goal set by scientists. But it won't be the safest international goal.

Why Biden is waiving rule on higher levels of ethanol in gas this summer

President Joe Biden says his administration will suspend a federal rule that bars higher levels of ethanol in gasoline during the summer.

Target’s annual car seat trade-in event begins April 18

Target will take your old, expired and damaged car seat in return for a 20% off coupon that can be used towards purchasing a new car seat, stroller or other select baby gear.

Climate change: Earth will be 'unlivable' if emissions don't fall faster, UN report warns

A new report from the UN’s top body of climate scientists is warning that temperatures will go beyond a key danger point unless countries worldwide cut greenhouse emissions faster than they are currently committed to doing.

Philadelphia's enforcement of plastic bag ban begins Friday

Enforcement of Philadelphia's plastic bag ban begins Friday, April 1. Violations issued to businesses that fail to comply carry a minimum penalty of $150.

Flamingo that escaped Kansas zoo 17 years ago spotted in Texas

Wildlife officials say one of two flamingos that escaped from a Kansas zoo during a storm 17 years ago has been spotted on the coast of Texas.

Invasive acid-spewing crazy ants population control possible with fungus, scientists say

The tawny crazy ant creates a formic acid as venom to protect itself from other ant species. The insects are able to spew the acid from their abdomen but are not poisonous, scientists said.

Microplastics found in human blood for the 1st time, study says

Microplastics have been found in our food, drinks and even in human placentas. Now, researchers say they have found the first-ever evidence of microplastics in human blood.

Satellite images show New York-sized ice shelf collapse in East Antarctica

Scientists are concerned because an ice shelf the size of New York City collapsed in East Antarctica, an area that had long been thought to be stable.