A long-term trial reveals how the powerhouse vitamin D can add anti-aging to its already-impressive list of health benefits.

Scientists are repurposing this once non-essential organ to grow life-saving tissues on demand and from inside the body.

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Learn why researchers identified some of North America's most famous fossils as Traskasaura sandrae.

Learn how this species of worm detects death, resulting in a range of behavioral and physiological responses.