How a sperm and an egg fuse together has long been a mystery. New research by scientists in Austria provides tantalizing clues, showing fertilization works like a lock and key across the animal ...

Digimon Adventure -BEYOND- is a special music video that will commemorate the anniversary with brand new animation! It’s up in the air if the Digi-Destined will make yet another return to the ...

The other is tiny, has a tail and never stops swimming. Yet the union of egg and sperm is critical for every sexually reproducing animal on Earth. Exactly how that union occurs has long been a ...