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Search results for Polar Bears

Ecology Aug 3, 2021

'Problematic' Greenland polar bear may be shot

A polar bear in Greenland may be shot dead next time it endangers people after several close encounters, including one where it bit the hand of a documentary team member, authorities said.

Planetary Sciences Jul 29, 2021

Clays, not water, are likely source of Mars 'lakes'

Three studies published in the past month have cast doubt on the premise of subsurface lakes below the Martian south pole.

Plants & Animals Jul 9, 2021

The evolution of the giant panda's temporomandibular joint and premolar teeth enabled adaptation to bamboo diet

Although the giant panda is in practice a herbivore, its masticatory system functions differently from the other herbivores. Through the processes of natural selection, the giant panda's dietary preference has strongly impacted ...

Planetary Sciences Jul 3, 2021

'Lakes' under Mars' south pole: A muddy picture?

Two research teams, using data from the European Space Agency's Mars Express orbiter, have recently published results suggesting that what were thought to be subsurface lakes on Mars may not really be lakes at all.

Earth Sciences Jul 1, 2021

Last ice-covered parts of summertime Arctic Ocean vulnerable to climate change

In a rapidly changing Arctic, one area might serve as a refuge—a place that could continue to harbor ice-dependent species when conditions in nearby areas become inhospitable. This region north of Greenland and the islands ...

Environment Jul 1, 2021

Record-breaking temperatures mean we must change the way we talk about the climate emergency

New normal. Record-breaking. Unprecedented.

Space Exploration Jun 29, 2021

Study sheds new light on composition at base of Martian southern polar cap

An earlier discovery of liquid water lakes beneath Mars' south pole may not be as wet as believed, a new paper says.

Environment Jun 23, 2021

UN draft climate report: Impacts on nature

Climate change threats to life on Earth are systemic, interconnected and on a scale unprecedented in human history, the UN's climate science advisors have warned in a draft report seen exclusively by AFP.

Space Exploration Jun 16, 2021

Total solar eclipses shine a light on the solar wind with help from NASA's ACE mission

From traversing sand dunes in the Sahara Desert to keeping watch for polar bears in the Arctic, a group of solar scientists known as the "Solar Wind Sherpas" led by Shadia Habbal, have traveled to the ends of the Earth to ...

Environment Jun 15, 2021

Irreversible warming tipping point possibly triggered: Arctic mission chief

The tipping point for irreversible global warming may have already been triggered, the scientist who led the biggest-ever expedition to the Arctic warned on Tuesday.

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