Sometimes, life really does resemble a science fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just ...

Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...