The footprints were made 167 million years ago, during the Middle Jurassic period, an important time in dinosaur evolution, but little rock remains from the era, Blakesley said. As a result ...

Spring is officially here, and T-shirts are essential to building a well-rounded wardrobe for warmer weather. They're a classic top on their own, but they're also useful for layering looks and ...

T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

A new dinosaur has stepped into Red Cliffs Mall, and it's roaring for attention. Stretching 39 feet long and standing 13 feet tall at the hip, this prehistoric giant would tower at 20 feet if upright.

The biggest stories of the day delivered to your inbox.