10+ hour, 59+ min ago  (344+ words) Eukaryotes include humans, plants, animals, fungi and many microscopic organisms. Knowing where and how they first evolved is central to understanding how life on Earth became diverse and complex. "We wanted to know what environments earliest eukaryotic life inhabited, in…...

1+ mon, 12+ hour ago  (451+ words) Researchers studying 450-million-year-old fossils discovered about 50 kilometres northeast of Quebec City have identified a new species of basal medusozoan: Paleocanna tentaculum, a soft-bodied, tube-shaped polyp with a ring of tentacles. Closely related to modern jellyfish, it is a rare discovery....