Antarctic krill follow an internal clock to time their daily migrations—an essential behavior that supports marine ecosystems ...

“Cryptopygus antarcticus has a key role in the simple Antarctic terrestrial food webs,” she said ... Mercury, which can become concentrated in animals towards the top of the marine food ...

Today, it supports scientists from dozens of universities, researching things like how krill — a critical food source for Antarctic wildlife — are becoming more scarce. It's creating ripple ...

Bacteria and other single-celled microorganisms in the seas around Antarctica ... than all the marine animals combined. Climate change-induced shifts in the microbial food web of the Southern ...