Why don't diving seals drown? Scientists finally have an answer
New research suggests seals sense oxygen levels in their blood to know when to come up for air.
Health & Safety
Parts of America will experience a partial solar eclipse this weekend
The partial solar eclipse will be visible in various locations in the U.S. Northeast.
As opposition to fluoride grows, rural America risks a new surge of tooth decay
Many rural counties are short on dentists, and if they lose water fluoridation, tooth decay could surge to levels that have not been seen in decades, experts warn.
Colorado is poised to pass some of the toughest gun laws in the country
A proposal to severely limit guns that use detachable magazines is approaching final passage in the Colorado legislature. The state's Democratic governor, Jared Polis, is expected to sign it into law.
Why a tiny bit of oil can be a big deal
More than three-quarters of U.S. wells make just 6% of the country's oil. They're called marginal wells because of their small output. But they're a big deal to oil producers and environmentalists.
March Madness is underway. So is March Napness, the tournament for hibernating bears
A handful of rescued bears in Europe are competing in March Napness, a bracket-style tournament to see what bear can stay in hibernation the longest.
More babies and mothers are dying in Afghanistan after USAID cuts, midwives say
In March, the World Health Organization announced more than 200 health care facilities had shut down, or suspended operationsin Afghanistan as a result of the Trump administration's funding freeze.
In new assessment, Trump team ranks fentanyl as a top threat to U.S.
Drug deaths are declining but the Trump administration's intelligence team has issued a new report describing street fentanyl as a top threat to the U.S.
Lavender, citrus and candy: Weed's signature aroma changes with the times
A tour of a grow facility in Maryland reveals the wide variety of scents from different cannabis strains.
NASA website axes a pledge to land a woman and a person of color on the moon
In deference to President Trump's anti-DEI order, the space agency has removed a promise to send the "the first woman, first person of color" to walk on the moon aboard the Artemis III mission.