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Most of Mars’ air was ‘lost to space’

Most of Mars’ air was ‘lost to space’

Image copyright NASA Image caption Artwork: Mars today is cold and dry (L) but it have been very different billions of years ago (R) It is clear now that a big fraction of the atmosphere of Mars was stripped away to space early in its history. A new analysis, combining measurements by the Maven satellite […]

James Webb telescope: Hubble successor set for yet more tests

James Webb telescope: Hubble successor set for yet more tests

Food trade drains global water sources at ‘alarming’ rates

Food trade drains global water sources at ‘alarming’ rates

Image copyright Getty Images Image caption Many of the crops imported and exported from the US are grown with non-sustainable water supplies The global market for foodstuffs is depleting water sources in many parts of the world quicker than they can naturally be refilled. The complex trade is increasing pressure on non-renewable groundwater, mainly used […]

Elephants in dramatic muddy escape

Elephants in dramatic muddy escape

Media captionThe last elephant had to be pulled out with a rope It is a great escape. One by one, 11 Asian elephants manage to drag themselves clear of a muddy hole. The drama took place in the Keo Seima Wildlife Sanctuary in Mondulkiri Province, Cambodia. The elephants had gone to drink and bathe in […]

ExoMars: Rover scientists to study Mawrth Vallis option

ExoMars: Rover scientists to study Mawrth Vallis option

Image copyright ESA Image caption Artwork: The ExoMars rover would land on the Red Planet in early 2021 Europe is going to investigate a second site on Mars as a possible destination to send its 2021 rover. Scientists spent two days considering the options and plumped in the end for Mawrth Vallis – an area […]

‘Fake research’ comes under scrutiny

‘Fake research’ comes under scrutiny

Image copyright SPL The scale of “fake research” in the UK appears to have been underestimated, a BBC investigation suggests. Official data points to about 30 allegations of research misconduct between 2012 and 2015. However, figures obtained by the BBC under Freedom of Information rules identified hundreds of allegations over a similar time period at […]

How the mouse came to live alongside humans

How the mouse came to live alongside humans

Image copyright Getty Images Image caption House mice are found in human homes throughout the world Mice have been living alongside humans for 15,000 years, according to fossil evidence. This is earlier than previously thought – and predates the dawn of agriculture. Scientists believe wild mice crept into settlements in the Levant (Eastern Mediterranean) region […]

Planet Nine: Astronomers want help from amateur stargazers

Planet Nine: Astronomers want help from amateur stargazers

Image copyright ANU Image caption The Siding Spring Observatory in New South Wales Have you ever thought about discovering a planet? It may not be as fanciful as you think. Astronomers at the Australian National University (ANU) want help in searching for a ninth planet thought to be orbiting our Solar System. With a working […]

Kimberley fossil tracks are Australia’s ‘Jurassic Park’

Kimberley fossil tracks are Australia’s ‘Jurassic Park’

Image copyright Queensland University / James Cook University Image caption The trackways are part of the oral history of the local indigenous people Scientists have described a remarkable collection of dinosaur tracks on beaches in the Kimberley region of Western Australia. More than 20 different types of fossil footmarks have been captured in sandstone rock. […]

Impact crater linked to Martian tsunamis

Impact crater linked to Martian tsunamis

Image copyright Science Photo Library Image caption Did early Mars have a vast northern ocean? Scientists have located an impact crater linked to powerful tsunamis that swept across part of ancient Mars. The team believe an asteroid triggered 150m-high waves when it plunged into an ocean thought to have existed on northern Mars three billion […]