Researchers have newly described three extremely rare species of toad that leapfrog over the egg-to-tadpole stage and give birth to toadlets.

Scientists are trying a revolutionary new approach to treat rheumatoid arthritis, multiple sclerosis, lupus and other ...

Salmon sperm facials have been popularized on social media in recent years. But how exactly are the products made? And are they safe? CNN’s Ivana Scatola went to find out and try the treatment for ...