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Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
- 1,878articles · 365d
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News
A volcano has erupted remnants of Earth's primordial magma ocean
2+ mon, 1+ week ago (628+ words) Earth was once covered by a global magma ocean, which later cooled and crystallised – now traces of this primordial event have been found in magma from a young volcano in the Indian Ocean Submarine reliefs produced by a survey off…...
Huge crater in Australia may be the oldest impact structure on Earth
2+ mon, 2+ week ago (703+ words) A study claims that the North Pole Dome crater in Western Australia was caused by an asteroid strike 3 billion years ago, but other researchers dispute the proposed age The landscape in the North Pole Dome crater in Western AustraliaCurtin University…...
Ancient monument marked summer solstice centuries before Stonehenge
2+ mon, 3+ week ago (777+ words) Archaeologists have discovered traces of a wooden structure built 5000 years ago, 5 kilometres from Stonehenge, which appears to have been an even older monument for marking the summer solstice A reconstruction of the summer solstice celebrations as they might have appeared…...
Alice Roberts: 'We are fundamentally, at the end of the day, animals"
3+ mon, 1+ week ago (1080+ words) Why do we have big brains? Or walk on two legs? Biological anthropologist and broadcaster Alice Roberts talks human exceptionalism, evolution and her new book Humans with Michael Marshall Physically, Homo sapiens is not that special in the animal world....
Mercury may have gained all of its unexpected water in a single day
3+ mon, 3+ week ago (510+ words) Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the events that formed them over just one Mercurian day We may now know how Mercury gained its…...
Fluorescent ruby-like gems have been found on Mars for the first time
5+ mon, 3+ week ago (276+ words) The Perseverance rover has found tiny crystals that seem to be rubies or sapphires inside pebbles on Mars, where they have never been seen before NASA’s Perseverance rover is on the hunt for gems The Perseverance rover has found precious…...
Ice core reveals low CO2 during warm spell 3 million years ago
5+ mon, 3+ week ago (510+ words) For the first time, scientists have measured atmospheric gases from the late Pliocene, yielding data that could help to predict the future climate The drilling site at Allan Hills in Antarctica where researchers extracted a 3-million-year-old ice coreAustin Carter Bubbles…...
Shift in the Gulf Stream could signal ocean current collapse
6+ mon, 1+ week ago (760+ words) Models show that as the Atlantic Meridional Overturning Circulation gets weaker, the Gulf Stream will drift northwards. There are signs that this is already happening, and a more abrupt shift could warn of more severe climate impacts The Gulf Stream…...
Huge hot blobs inside Earth may have made its magnetic field wonky
6+ mon, 3+ week ago (407+ words) Simulations suggest that two enormous masses of hot rock have been involved in generating Earth’s magnetic field and giving it an irregular shape Earth’s magnetic field extends tens of thousands of kilometres into space Two vast, mysterious blobs of hot…...
Letter: Turning myths into solid geography
7+ mon, 1+ day ago (124+ words) New Scientist From Huw Ford, Porthcawl, Bridgend, UK Your article on Stone Age seafarers asks why prehistoric people would risk sailing towards land they couldn’t see. One possibility is that the motive was belief rather than necessity. A made-up story…...