The ocean covers two-thirds of the planet and is home to 80 per cent of all animal life. Yet we know little about it.

Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...

Earth once hosted more than 10,000 species ... shells likely helped these cephalopods glide through the planet’s warm, shallow seas. A thin, tubelike structure called a siphuncle pumped air ...

home to 80% of all animal life on Planet Earth Much of our planet remains ... that can prove fatally seductive. In the cold shallow seas off north America, summer sunshine fuels one of the fastest ...