Teams in Washington and Canada are working together to save Scarlet, a starving 3-year-old killer whale.
A mission meant to save critically endangered rhinoceroses by transferring them to a wildlife sanctuary in Kenya has ended in tragedy. And now we know why.
Stay up to date on the latest science news by signing up for our Essentials newsletter.
Thank you for signing up to Live Science. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.