An alternative to original Medicare, the private plans are run mostly by major insurers. A recent analysis estimates Medicare overpaid these insurers by $106 billion from 2010 through 2019.
An expert on crowd dynamics shares his advice on how to survive a crush of people. Two tips: Don't put a backpack on the ground — and protect your ribs so you can breathe.
New analyses find countries' latest climate promises are still not enough to meet the goal set in the Paris climate agreement. And they warn few countries even have plans to carry out their pledges.
NASA's Juno spacecraft sweeps over Jupiter's Great Red Spot and makes a 3D map of the giant storm. The findings could shed light on gas giant exoplanets in distant solar systems.
And the risks may be cumulative. UCLA researchers found that those who faced more incidents of discrimination had an even higher risk of future health problems.
Archaeologists working to uncover a wealthy villa on the outskirts of the ancient city have found a dormitory for workers, providing important insight into daily life.
"I always had this dream: Gee, someday I would like to become a physicist," said Manfred Steiner. But after World War II, he followed his family's advice to become a doctor.
Decarbonizing involves installing things from solar panels to switching out gas stoves for electric stoves. The effort to decarbonize buildings will cut the city's carbon dioxide output by 40%.
A concussion can make it difficult to converse in a noisy room. Scientists say that's because the injury has impaired the brain's ability to process sounds.
At international climate talks, world leaders are trying to keep the world to 1.5 degrees Celsius of warming. Why is that number important, and what happens if the world gets hotter than that?
A new report finds some climate impacts are already irreversible and will last for many decades to come. It calls for far more money to help countries prepare for the growing risks they face.
Scientists have gotten the best estimates yet of exactly how much baleen whales, the largest animals on the planet, can consume in one day. Their caloric intake is mind-boggling.
