The world’s largest T. rex found to date likely weighed nearly 20,000 pounds during its life.

When hair follicle stem cells lose their protein-based death cue, they take on a new role helping to repair wounds in skin.

CRISPRed heart muscle cells from humans gain the ability to make a protein missing in Duchenne muscular dystrophy.

Over the course of their lives, the jumping spider Synemosyna formica wears two different ant disguises to fool preying birds.

Zooming in on the ovarioles of Drosophila could reveal links between muscles, nutrition, and the development of eggs.

Asexual female nematodes use their male offsprings’ sperm to fertilize eggs, but cast away their genes.

Otters leave distinct patterns of wear on rocks they use for pounding mussels.

By zooming in on a developing mouse heart, scientists are studying whether defects in vasculature contribute to a thin muscle wall.

The cephalopods use several strategies to manipulate light and produce their colorful patterns.