Science/Nature

Nasa’s Jupiter mission Juno reveals giant polar storms

[ad_1] Image copyright NASA / SwRI / MSSS / Gerald Eichstädt / Seán Doran Image caption People have downloaded the raw images of Jupiter and processed them, often revealing new details of its surface Nasa's Juno mission to the gas giant Jupiter has reached its halfway mark and has revealed new views of cyclones at the poles. As it orbits the planet every 53 days - Juno performs a science-gathering
Science/Nature

Climate change: Failure to tackle warming “suicidal”

[ad_1] Image copyright SOPA Images Image caption Some observers believe that the return of Mr Guterres to these talks is a sign that significant progress is not being made The UN secretary-general has warned negotiators at a major meeting that failing to increase efforts on climate change would be "not only immoral but suicidal" for the planet. Antonio Guterres has flown back to Poland to try and push COP24 to
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Parker Solar Probe: Sun-skimming mission starts calling home

[ad_1] Image copyright NASA/NRL/Parker Solar Probe Image caption Parker took this image of a streamer, a dense part of the corona, on 8 November Just weeks after making the closest ever flyby of the Sun, Nasa's Parker Solar Probe is sending back its data.Included in the observations is this remarkable image of the energetic gas, or plasma, flowing out from the star.The bright dot is actually far-distant Jupiter. The black
Science/Nature

Climate change is ‘shrinking winter’

[ad_1] Image copyright NASA Image caption Satellite images from 2002 (left) compared with 2017 (right) highlight the decreasing snowpack Snowy mountain winters are being "squeezed" by climate change, according to scientists in California. Researchers who studied the winter snowfall in the mountains there revealed that rising temperatures are reducing the period during which snow is on the ground in the mountains - snow that millions rely on for their fresh
Science/Nature

Samples cut around Soyuz hole in spacewalk

[ad_1] Two Russian cosmonauts have used knives and shears to cut samples from around a hole in the Soyuz spacecraft, which Moscow says may have been caused by a drill.Roscosmos space agency says it wants to find out whether the 2mm puncture was made on Earth or in space. It has ruled out a manufacturing defect and says it may have been deliberate sabotage, but Nasa has played down such
Science/Nature

‘Planet of the chickens’: How the bird took over the world

[ad_1] Image copyright Getty Images A study of chicken bones dug up at London archaeological sites shows how the bird we know today has altered beyond recognition from its ancestors.With around 23 billion chickens on the planet at any one time, the bird is a symbol of the way we are shaping the environment, say scientists.Evolution usually takes place over a timescale of millions of years, but the chicken has
Science/Nature

Climate change: Arctic reindeer numbers crash by half

[ad_1] Image copyright KAJ R. SVENSSON/SCIENCE PHOTO LIBRARY Image caption A warmer Arctic has less food and more insects, making it a much worse environment for caribou The population of wild reindeer, or caribou, in the Arctic has crashed by more than half in the last two decades. A new report on the impact of climate change in the Arctic revealed that numbers fell from almost 5 million to around