Arctic sea ice is now at lowest point

The blanket of sea ice floating atop the Arctic Ocean has melted to its lowest extent ever recorded - since satellites began measuring it in 1979, to be exact.

Reflective sea ice fuels Arctic warming

Melting sea ice and global atmospheric warming are making the Arctic warm as much as four times faster than the global average, Australian scientists say.

Astonishing algae bloom found in Arctic

NASA scientists say they've made a discovery in the Arctic Ocean 'as dramatic and unexpected as finding a rainforest in the middle of a desert'.

Melting Arctic ice will bring colder winters

As Arctic sea ice melts through global warming, Americans can expect - paradoxically - to see more severe winter weather.

From the Arctic to Jupiter's Europa moon

A Canadian fjord may help scientists improve their understanding of Jupiter's icy Europa moon.

Arctic sea ice is leaking methane

NASA scientists have detected large releases of methane - a highly potent greenhouse gas - from the crumbling Arctic sea ice.

Thawing permafrost affects climate more than thought

As the Arctic warms, thawing permafrost will release greenhouse gases  faster and in greater amounts than previously believed.

Unprecedented ozone hole opens over Arctic

Last year saw a significant hole open up for the first time in the ozone layer over the Arctic.

Arctic sea ice cover is second-lowest ever

Arctic sea ice has reached its second-lowest level since satellite observations began over 30 years ago, scierntists at the University of Colorado Boulder's National Snow and Ice Data Center say.

Arctic summer ice could increase before it disappears

If climate change continues, summer sea ice in the Arctic could disappear altogether - but in the meantime Arctic ice could temporarily stabilize or even increase.

Sea levels could rocket as Arctic ice melts

Arctic sea ice concentration was at its second-lowest ever in March, according to data from NASA.

Arctic facing record ozone loss

Ozone levels over the Arctic have been plummeting in recent days, and look to be heading for a record loss.

Navy 'underprepared' for climate change

Climate change could have major implications for the US Navy, a report from the National Research Council has warned.

North Atlantic water warmest in 2,000 years

The water flowing from the North Atlantic into the Arctic Ocean is the warmest it's been in 2,000 years, say scientists.

Loss of Arctic ice could lead to new hybrid species

The loss of Arctic sea ice could lead to species such as polar bears and some types of seal and whale being lost through hybridization.

Arctic warming heralds colder US winters, warns NOAA

The Arctic is contuing to warm at an unprecented rate - and the changes are likely to be permanent, says the National Oceanic and Atmospheric Administration (NOAA).

Global Hawk UAV completes GloPac mission

NASA's unmanned Global Hawk aircraft has successfully completed four science flights over the Pacific Ocean.

Treyarch preps CoD: Black Ops for unknown mission

Activision studio Treyarch has announced that the next installment of the popular Call of Duty franchise will carry the name and rank of Black Ops when it is released on November 9.