Ancient tree reveals cause of spike in Arctic temperature
A kauri tree preserved in a New Zealand peat swamp for 30,000 years has revealed a new mechanism that may explain how temperatures in the Northern Hemisphere spiked several degrees centigrade in just a...
View ArticleImage: Northern Lights over Canada from the ISS
The spectacular aurora borealis, or the "northern lights," over Canada is sighted from the International Space Station near the highest point of its orbital path. The station's main solar arrays are...
View ArticleWinter cold extremes linked to high-altitude polar vortex weakening
When the strong winds that circle the Arctic slacken, cold polar air can escape and cause extreme winter chills in parts of the Northern hemisphere. A new study finds that these weak states have become...
View ArticleRussia floats out powerful nuclear icebreaker
Russia on Friday held a launching ceremony for a powerful nuclear icebreaker, called Sibir (Siberia), in its drive to prepare a fleet for navigating the Northern Passage and hauling goods, particularly...
View ArticleFires in Australia pop up in places already burned
Fires that span across the Northern Territory and Western Australia appear to have broken out in areas that have already been burned in previous fires. Areas that sport "burn scars", those areas that...
View ArticleThe drying of peatlands is reducing bird diversity
A recent international study indicates that the populations of peatland birds in Finland, Sweden, Norway, Estonia and Latvia have decreased by a third during the past three decades. The situation in...
View ArticleGlobal airborne mission to make ozone hole detour
Atmospheric researchers depart this month on NASA's DC-8 research aircraft on their third survey of the global atmosphere. Taking place for the first time in Northern Hemisphere fall, the season gives...
View ArticleMercury from the northern hemisphere is ending up in Australia
Mercury pollution has a long legacy in the environment. Once released into the air, it can cycle between the atmosphere and ecosystems for years or even decades before ending up deep in the oceans or...
View ArticleUber northern Europe chief departs amid London row
The head of Uber's northern Europe operations has decided to leave, the US ride-sharing company said Monday as it faces a licensing battle in London.
View ArticleMurdoch's UK firm pays damages to ex-spy in hacking scandal
Rupert Murdoch's British newspaper company has agreed to pay damages to a former intelligence officer whose computer was hacked by detectives working for Murdoch's now-defunct News of the World...
View ArticleHurricane survivors swap Caribbean seas for English peas
When they signed up to study in the Caribbean they thought they were heading for an island paradise. But when Hurricane Irma devastated Sint Maarten, they ended up being transferred to drizzly northern...
View ArticleNorthern exposure: fossils of a southern whale found for the first time in...
Ancient fossils of a whale species thought to be found only in southern waters have been discovered at northern sites in Japan and Italy.
View ArticleSpikes in carbon emissions detected with NASA satellite
Data from a circling NASA satellite shows spikes in carbon emissions worldwide, particularly in winter, along with new insights into the rising levels of pollutants that drive global warming,...
View ArticleImage: Saturn's north pole
Reflected sunlight is the source of the illumination for visible wavelength images such as the one above. However, at longer infrared wavelengths, direct thermal emission from objects dominates over...
View ArticleNew land cover atlas reveals just 6 percent of UK is developed
The UK is a green and pleasant land with more than half the country classed as pasture or arable land, according to a new set of maps created by an academic at the University of Sheffield.
View ArticleStudy explores how Scotland and Northern Ireland can fulfil aspirations...
Significant changes to both the current UK and European Union (EU) constitutional frameworks are "almost unavoidable" in order to accommodate the very different aspirations of Scotland and Northern...
View ArticleArtificially cooling planet 'risky strategy,' new research shows
Proposals to reduce the effects of global warming by imitating volcanic eruptions could have a devastating effect on global regions prone to either tumultuous storms or prolonged drought, new research...
View ArticleImage: Jupiter blues
The Juno spacecraft captured this image when the spacecraft was only 11,747 miles (18,906 kilometers) from the tops of Jupiter's clouds—that's roughly as far as the distance between New York City and...
View ArticleSubmarine volcanoes add to ocean soundscape
Most volcanoes erupt beneath the ocean, but scientists know little about them compared to what they know about volcanoes that eject their lava on dry land. Gabrielle Tepp of the Alaska Volcano...
View ArticleRussia launches giant Yamal gas project in the Arctic
Russia launches Friday its Yamal gas plant in Arctic Siberia, a gigantic project in one of the world's most remote areas, as the region becomes more accessible due to climate change.
View ArticleImage: High above Jupiter's clouds
NASA's Juno spacecraft was a little more than one Earth diameter from Jupiter when it captured this mind-bending, color-enhanced view of the planet's tumultuous atmosphere.
View ArticleCourt OKs killing a type of owl to see effect on other owls
A federal appeals court in San Francisco has upheld a plan by wildlife officials to kill one type of owl to study its effect on another type of owl.
View ArticleEurope's lost forests – study shows coverage has halved over six millennia
More than half of Europe's forests have disappeared over the past 6,000 years thanks to increasing demand for agricultural land and the use of wood as a source of fuel, new research led by the...
View ArticleGlobal warming decreases the reliability of weather forecasting tools
For Californians from Crescent City to Chula Vista, the second week of 2018 brought rain showers. Was it merely a fluke in the middle of an ongoing dry spell, or does it mean we're on the verge of...
View ArticleHuman smugglers operate as 'independent traders,' study finds
Latest research shows a lack of overarching coordination or the involvement of any "kingpin"-style monopolies in the criminal operations illegally transporting people from the Horn of Africa into...
View ArticleResearchers discover a piece of America in northern Australia
Curtin University researchers have discovered rocks in northern Queensland that bear striking similarities to those found in North America, suggesting that part of northern Australia was actually part...
View ArticleNew study shows freshwater input route from melting ice led to rapid cooling
Scientists have long known that a reduction in Atlantic Ocean currents bringing warm water to the Northern Hemisphere from the tropics created abrupt cooling known as the Younger Dryas cold period...
View ArticleNorthern European population history revealed by ancient human genomes
An international team of scientists, led by researchers from the Max Planck Institute for the Science of Human History, analyzed ancient human genomes from 38 northern Europeans dating from...
View ArticleScientists find massive reserves of mercury hidden in permafrost
Researchers have discovered permafrost in the northern hemisphere stores massive amounts of natural mercury, a finding with significant implications for human health and ecosystems worldwide.
View ArticleScientists directly observe electron dynamics of the Northern Lights
The shower of electrons bouncing across Earth's magnetosphere, commonly known as the Northern Lights, has been directly observed for the first time by an international team of scientists. While the...
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