Argentina zoo frees thousands of animals
Argentina's Buenos Aires zoo will close and transform into a conservation park. Thousands of its animals are moving to sanctuaries.
Solar power still isn't financially competitive
Even with unprecedented growth and help from federal incentives, solar power can't compete with the cost-effectiveness of fossil fuels yet.
Social Security faces long-term budget problems
A new report says Social Security can only make its full payments until 2035 if Congress doesn't act.
Wildfires are getting bigger
Our annual fascination with wildfires never seems to change. But the fires themselves are getting worse and worse.
How many calories we burn sitting and standing
Researchers found out exactly how many calories are burned standing vs. sitting.
Trader Joe's agrees to $2M settlement
The EPA accused the grocery chain of violating the Clean Air Act.