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A dead star's mysterious rings reveal what could happen when our Sun dies
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Astronomers have discovered a strange double ring of planetary wreckage around a dead star, revealing a possible preview of our Solar System's distant future. The two rings are separated by a mysterious gap that researchers believe is maintained by surviving planetary bodies, inc
Astronomers have discovered a strange double ring of planetary wreckage around a dead star, revealing a possible preview of our Solar System's distant future. The two rings are separated by a mysterious gap that researchers believe is maintained by surviving planetary bodies, including one potentially as large as Pluto or the Moon. Their different chemical compositions suggest they may contain the remains of separate destroyed planets.
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Dead stars could break one of physics' most famous limits
A surprising new discovery suggests that some dead stars can grow far more massive than scientists once thought possible. Computer simulations show that powerful magnetic fields could allow white dwarfs to reach 2.4 times the mass of the Sun, dramatically exceeding a famous limit
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Light-powered method resurrects 'dead-end' compounds for drug discovery
Throughout the drug development process, which can take a decade or more, tens of thousands of chemical compounds are produced that never go on to become medicines. A Florida State University researcher is part of a team that has discovered a new way to give some of these "dead e
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Mission blasts off for Mars to grab a piece of its moon
A spacecraft is set to launch on an ambitious mission to bring 10g of Martian moon dust back to Earth.
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Two dead after bus crashes in France, officials say
One child and one young adult were killed in the crash, local authorities say, with more injured.
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Human bodies produce 2 billion metric tons of CO2 a year just by staying alive
Humans collectively produce more than 2 billion tonnes of carbon dioxide annually just by turning food into energy, a 74% increase over three decades largely driven by population growth. Unlike fossil fuel emissions, however, the CO2 we exhale is part of the natural carbon cycle,
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