Scientists track Antarctic krill via satellite to monitor ocean health amid climate change and fishing threats.

Although a large proportion of their diet is made up of Antarctic krill, they are unique because they also prey on other marine mammals ... crab," lives near deep-sea hydrothermal vents.

“If avian influenza continues to spread throughout the sub-Antarctic region this ... potentially put a number of very large populations of seabirds and sea mammals at risk.

"Warm" water is flowing toward one of Antarctica's biggest ice shelves, which, if it melted, could dramatically raise sea levels. The Filchner-Ronne Ice Shelf (FRIS) extends over the Weddell Sea in ...