Your dog is a good boy, but that's not necessarily because of its breed A new study based on thousands of DNA sequences and owner surveys finds that less than 10% of a dog's behavior — like howling, herding or retrieving — can be explained by its breed. Becky Sullivan
Is sucking carbon from the air the key to stop climate change? Some scientists say so With the climate getting hotter, scientists are finding that cutting fossil fuels may not be enough. Carbon dioxide emissions may need to be vacuumed right out of the air. Lauren Sommer
Brain scan studies need to get much bigger to offer insight into mental illness Researchers say most brain scan studies are too small to explain complex human traits like intelligence or mental health. Meaningful insights will require studies of thousands of brains, not dozens. Jon Hamilton
NASA advisers call for a visit to Uranus, plus more science during moon landings NASA should send probes to the ice giant planet of Uranus and to a moon of Saturn where conditions could be right for life. Those are some of the recommendations in a new report to the space agency. Nell Greenfieldboyce
Bald eagles around the U.S. are contracting the bird flu At least three bald eagles who contracted bird flu are dead. Rina Torchinsky
The Hubble telescope confirms the largest comet nucleus ever seen by astronomers The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets. Deepa Shivaram
Fossil footprints mistakenly attributed to bears were made by early humans A new look at some fossilized footprints shows that more than one species of human was walking upright around 3.6 million years ago. (This story originally aired on ATC on Dec. 2, 2021.) Nell Greenfieldboyce
Scientists say you shouldn't wear your shoes in your house Ayesha Rascoe speaks with Mark Patrick Taylor of the Environmental Protection Authority of Victoria, Australia, about why he thinks everyone should remove their shoes before coming inside. Ayesha Rascoe
'Eee!' Male dolphins whistle to stay in touch with distant ocean pals Dolphins are known to use physical contact like petting and rubbing to bond with their closest allies. But for more distant contacts, male dolphins bond by trading whistles instead. Patrick Jarenwattananon
The light from this star that astronomers just spotted is 12.9 billion years old Scientists using the Hubble Space Telescope have spotted light from what appears to be the most distant star ever seen. It offers a glimpse into an early moment in the history of the universe. Nell Greenfieldboyce