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Evolution Feb 27, 2025

When birds lose the ability to fly, their bodies change faster than their feathers, scientists discover

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers compared the feathers and bodies ...

Earth Sciences Feb 24, 2025

Mega-iceberg from Antarctica is headed toward South Georgia—here's what could happen

It is no strange sight to see icebergs break off of the Antarctic ice cap and drift away, like the gigantic sheet of ice that is currently heading for the island of South Georgia. But climate change is making it happen more ...

Cell & Microbiology Feb 19, 2025

Cancer cells cooperate to scavenge for nutrients, scientists discover

Cancer cells work together to source nutrients from their environment—a cooperative process that was previously overlooked by scientists but may be a promising target for treating cancer.

Plants & Animals Feb 18, 2025

Antarctic expedition confirms the spread of the highly pathogenic avian influenza virus in the Weddell Sea

The CSIC-UNESPA scientific expedition has been underway since last January with the aim of monitoring the presence of the highly pathogenic avian influenza virus (HPAI H5N1) in Antarctica. The first results of the campaign, ...

Environment Feb 13, 2025

This is Australia's only icebreaker. Here's why experts say we need another

Australia's Antarctic territory represents the largest sliver of the ice continent. For decades, Australian scientists have headed to one of our three bases—Mawson, Davis and Casey—as well as the base on sub-Antarctic Macquarie ...

Ecology Feb 13, 2025

New study documents California coyotes eating harbor seal pups

Whether it's ice cream, a greasy hamburger, or a heap of french fries, everybody loves fatty foods. For coyotes, that meal is a blubbery seal pup, according to a new study led by UC Santa Cruz scientists.

Plants & Animals Feb 12, 2025

Antarctic midge survives extreme cold with unique dormancy strategies

Picture an Antarctic animal and most people think of penguins, but there is a flightless midge, the only known insect native to Antarctica, that somehow survives the extreme climate. How the Antarctic midge (Belgica antarctica) ...

Environment Feb 7, 2025

Antarctic snow harbors microplastics: New technique uncovers hidden pollution

Scientists have discovered microplastics in the snow near some of Antarctica's deep field camps, revealing how far-reaching plastic pollution has become. While not new, it's the first time these tiny pieces of plastic have ...

Environment Jan 31, 2025

First major chunk breaks off world's biggest iceberg

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be crumbling, scientists told AFP on Friday.

Plants & Animals Jan 30, 2025

Swimming in the sweet spot: How marine animals save energy on long journeys

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around making waves isn't the most efficient way to swim. Any energy spent creating waves is essentially ...

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