An international team of astronomers has released survey data detailing the chemical fingerprints of over 340,000 stars. The observations could be used to identify stellar bodies that formed alongside our Sun billions of years ago.
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Managing our exposure to the sun can be a delicate balancing act. QSun is a clever tracker that removes the guesswork by using artificial intelligence to keep tabs on sun exposure, even giving you a buzz when it's time to head for the shade.
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New research suggests the Sun might be headed towards a “grand minimum” of a centuries-long cycle, during which the Earth would receive much less ultraviolet radiation. If so, it may even help slow – but not stop – the progression of the climate’s general warming trend.
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ESA is looking to develop a spacecraft that could for the first time provide us with a "side-view" of the Sun, improving our ability to predict potentially damaging space weather events such as coronal mass ejections (CMEs).
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An international team of astronomers has successfully imaged the surface of the geriatric star π1 Gruis, revealing enormous convection cells that cycle material between the interior and surface of the star – essentially acting as a massive stellar lava lamp.
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Earlier this month, NASA probes in orbit and on the Martian surface detected an incredibly bright global aurora as a powerful solar storm struck Mars. The aurora was accompanied by a powerful dose of radiation that would have posed a significant danger to humans exploring the Red Planet.
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The Sun is currently in the quietest phase of its 11-year cycle, but it has blasted forth some of the largest solar flares on record. Several X-class flares have erupted over the past week, one of which is the largest in over a decade and one of the top 10 since records began.
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The results of a new X-ray study suggest that the high-energy activity of Sun-like stars rapidly drops off following a tumultuous youth. The findings could have significant implications for the habitability of exoplanets orbiting these stars, including their ability to maintain an atmosphere.
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An all-star cast of spacecraft has teamed up from across the Solar System. After a CME erupted from the Sun in October 2014, its journey through space was tracked by Curiosity, Rosetta, Cassini, New Horizons and possibly even Voyager 2, allowing astronomers to study the phenomenon in detail.
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Humans will probably be long gone by the time our Sun dies, but at least one lifeform will likely still be alive: the unkillable tardigrade. According to a study from Harvard and Oxford, it’ll take the death of the Sun to kill the species, which bodes well for the resilience of life as a whole.
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