A bizarre star may have its origins in an extremely energetic event. Astronomers have found that a star with an unusual composition may have formed in the wake of a new type of hypernova – a stellar explosion with 10 times the energy of a supernova.

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Mercury’s disproportionately massive core may be the result of the Sun’s powerful magnetic influence rather than the consequence of a cataclysmic collision with another body in the ancient past, according to the results of a new study.

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The CRISPR gene-editing tool has been successfully used in space for the first time. Researchers onboard the International Space Station have edited colonies of yeast to study how they repair DNA damage, which could one day help protect astronauts.

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Double star systems may be hiding masses of potentially habitable Earth-sized planets in their combined glare. Roughly half of all stars are thought to exist in binary systems, in which two massive stellar bodies orbit around a common centre of mass.

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New modeling of water activity on different solar system planets has found that Venus would be too dry for even the most extreme forms of life – but there may be other contenders in our solar system that we hadn’t considered.

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Virgin Galactic has made history, becoming the first spaceliner to be certified by the US Federal Aviation Administration to carry passengers on its spaceplanes. The approval comes as the company prepares for its first fully crewed test flight.

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In 2018 astronomers claimed to have found a galaxy that didn’t have any dark matter. The controversial study sparked a debate and raised new questions about cosmology. Now, the scientists say they've uncovered further evidence of the odd deficiency.

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China has embarked on its first crewed space mission in almost five years, launching a trio of astronauts into orbit to occupy its under-construction space station, before the two final modules are launched over the next 18 months.

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Supermassive black holes are thought to grow slowly over billions of years – but how did they appear so early in the universe’s lifetime? A new origin story suggests black hole seeds were created by halos of self-interacting dark matter collapsing.

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Astronomers say they’ve closed the case on the mysterious and unprecedented dimming of the supergiant star Betelgeuse in 2019 and 2020. A new study says that the event was caused by a combination of a big dust cloud and a drop in temperature.

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