Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

Researchers have uncovered strange and unprecedented entities living within the human body, entities they have named “obelisks.” These mysterious forms, first identified through cutting-edge genetic ...

Coast redwoods—enormous, spectacular trees, some reaching nearly 400 feet, the tallest plants on the planet—thrive mostly in a narrow strip of land in the Pacific Northwest of the United States. Most ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...