This year's single-elimination tournament will see 16 competitors face off, compared to 12 in past years. Officials report more cubs in Katmai National Park than they've seen in recent memory.

People don't love talking about poop, but it may have played a crucial role in evolution.

Alaska's melting permafrost — frozen soil, rock and underground — is threatening the quality of life for many residents.

One rural county in Idaho that outright banned renewable development in 2024 is having second thoughts.

A bacterial infection is wiping out Florida's citrus trees. Growers hope a rootstock developed with gene-editing technology could keep the disease at bay.

Paleontologists have discovered the tracks of a giant — the fossilized footprints of T. rex. Plus, solar "superflares" and the brain benefits of reading in this week's Short Wave science news roundup.

In a new book, psychologist Marisa Franco explains why it's good to feel good about yourself — and shares a helpful memory technique that we've turned into a printable worksheet.

No one across the U.S. is consistently tracking climate-fueled deaths. One medical examiner has a new protocol on heat-deaths.

Neuroscientists have made a major advance in modeling the human brain in mice, offering a new way to study conditions like cerebral palsy. Ethicists ask if it changes how these mice should be treated.

On Wednesday, the Senate committee on health held a confirmation hearing for three top health officials, including surgeon general. Dr. Nicole Saphier is President Trump's third attempt to nominate a surgeon general.