There are clear signs that humans are beginning to damage oceans on an unprecedented scale, say scientists in new research.
Contest yields a stunning array of pictures of nature in action.
The coral-like creatures may have built the superstructures to protect themselves from predators or to soak up the nutrients from ocean currents.
A tiger in India is reportedly eating humans. Experts say it's unlikely it will stop at nine.
The Canary Islands are a refuge for vultures.