WASHINGTON, Oct 18 (Reuters) - In 1995, astronomers confirmed the discovery for the first time of a brown dwarf, a body too small to be a star and too big to be a planet - sort of a celestial tweener.

Now it’s time to take a look at the world’s smallest shark species: the dwarf lanternshark. Dwarf lanternsharks (Etmopterus perryi) are rare and highly elusive members of the lanternshark ...