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Study Finds Giant Ice Age Kangaroos Could Hop In Short Bursts

Biomechanical tests on fossil feet and heels indicate the limbs could tolerate the forces involved in hopping.

Study Finds Pet Cow Uses Broom as a Multiuse Tool

‘Bat Accelerator’ Shows Bats Use Doppler Acoustic Flow to Control Flight Speed

Bristol Bay Belugas Swap Mates Across Years, Preserving Genetic Diversity

Scientists Document First Tool Use in Cattle, Verified in Controlled Trials

Trained Dogs Detect Canine Hemangiosarcoma in Blood With About 70% Accuracy

San Francisco Dedicates 'Claude the Alligator Way' in Golden Gate Park During Public Memorial

Parking-Lot Work at Dinosaur National Monument Uncovers Sauropod, Prompting First Dig There in a Century

Saudi Cave Cheetah Mummies Reveal Two Lineages, Informing Reintroduction Plans

Florida Warns of Falling Iguanas as Freeze Grips the State

Brisbane Woman Finds Python on Her Chest as Queensland Encounters Rise

New Study Finds T. Rex Reached Full Size Around Age 40

Horses React to Human Fear Odors, PLOS One Study Finds

Nature Communications Study Finds Greenland Sharks Keep Low‑Light Vision Into Old Age

Lab Flood Experiments Challenge Classic Fossil Transport Rules

Major Review Finds Same-Sex Sexual Behavior Common in Primates, Linked to Social and Environmental Pressures

Nat Geo Premiere Reveals 2022 Amazon Anaconda Discovery and Pollution Warning

Sparser Tongue Hairs Leave Queen Bumblebees Worse at Nectar Gathering, PNAS Study Finds

Ordovician Mass Extinction Set the Stage for the Rise of Jawed Fishes

Greenland Sharks Keep Their Vision for Centuries, Study Finds