Home » Archives by category » SCIENCE (Page 2)

Warmer Arctic is the ‘new normal’

Media captionSea ice that is more than four years old has largely disappeared in the Arctic A warming, rapidly changing Arctic is the “new normal” and shows no signs of returning to the reliably frozen region of the past. This is according to the US National Oceanic and Atmospheric Administration’s Arctic Report Card. Director of […]

Nasa’s New Horizons probe strikes distant gold

Image copyright NASA Image caption Artwork: The moonlet may be about 200-300km from the main object The American space agency’s New Horizons mission has struck gold again. After its astonishing flyby of Pluto in 2015, scientists have just discovered that the probe’s next target is not one object but very likely two. Earth-based observations suggest […]

Jupiter Great Red Spot has deep roots

Media captionA visualisation shows what it would be like to dive into Jupiter’s atmosphere. Scientists are beginning to unlock the secrets of the Great Red Spot on Jupiter – the biggest storm in the solar system. This spectacular anticyclone has been in existence for more than 150 years. It is wider than the Earth. One […]

Dracula ticks in amber tell ancient blood-sucking tale

Image copyright NAture Communications/E Penalver Image caption The tick is stuck on to a dinosaur feather Feathered dinosaurs were covered in ticks just like modern animals, fossil evidence shows. Parasites similar to modern ticks have been found inside pieces of amber from Myanmar dating back 99 million years. One is entangled with a dinosaur feather, […]

Interstellar asteroid checked for alien technology

Image copyright Eso Image caption Artwork: Observations of ‘Oumuamua noted its unusual elongated shape A project searching for intelligent life in the cosmos is going to check the first known interstellar asteroid for signs of alien technology. The odd-shaped object was detected as it sped towards the Sun on 19 October. Its properties suggested it […]

Pacific ‘baby island’ is natural lab to study Mars

Media captionDr Jim Garvin: “We’re watching the island do its dance” It is one of Earth’s newest landforms and it could just tell us where to look for evidence of life on Mars. The tongue-twisting volcanic island of Hunga Tonga Hunga Ha’apai exploded out of the Pacific Ocean in 2015, and its shape has been […]

Irish DNA map reveals history’s imprint

Image copyright Getty Images Image caption The genetic landscape of Ireland had been laid down by the Bronze Age, but it continued to be subtly influenced by later events Scientists have unveiled a detailed genetic map of Ireland, revealing subtle DNA differences that may reflect historic events. In their sample of the Irish population, the […]

US flood risk ‘severely underestimated’

Image copyright Getty Images Image caption During Hurricane Harvey, Port Arthur in Texas experienced some the most extreme impacts of flooding Scientists and engineers have teamed up across the Atlantic to “redraw” the flood map of the US. Their work reveals 40 million Americans are at risk of having their homes flooded – more than […]

Mt Hope installed as ‘UK’s highest peak’

Image copyright BAS/Alan Vaughan Image caption Mount Hope is more than twice the height of Ben Nevis in Scotland Britain has a new tallest mountain. Mt Hope, which is sited in the part of the Antarctic claimed by the UK, was recently re-measured and found to tower above the previous title holder, Mt Jackson, by […]

Botanical exploits: How British plant hunters served science

Image copyright Royal Botanic Gardens, Edinburgh and RHS Image caption Plant specimens are pressed under large rocks at George Forrest’s campsite in Lichiang Range In a corner of the Yorkshire Dales, far from the beaten track, you might stumble on the peaceful village of Clapham. Now known as a stop-off point for exploring the dales, […]