Planets around graveyard star were consumed before Earth was even born:
A strangely cool star that has been dead for more than 10 billion years contains levels of some elements that indicate it ate its own planets
Drought, not lithium mining, is drying out Chile's largest salt flat:
Lithium mining has been blamed for the drying out of a region in the Andes where the metal is naturally found – but drought may be the culprit instead
What US midterm elections mean for climate policy and public health:
The outcome of state and national elections on 8 November will shape the next two years of policy on climate change, abortion and covid-19
Does the UK need new nuclear plants like Sizewell C to reach net zero?:
With the cost of renewables and batteries plummeting, some academics argue that the UK does not need to build new nuclear power stations to achieve its net zero goal
How the Higgs boson could reveal the fate of our universe:
It's just over ten years ago that the Higgs boson was first discovered. Physicist Toyoko Orimoto writes that the particle could lead us to more discoveries, such as if there are other spatial dimensions and the eventual fate of the universe
Chinese rocket has crashed back to Earth but no one knows where:
On Monday, China launched its Long March-5B rocket to carry the final module to the Tiangong space station – now it has fallen back to Earth but no one yet knows where it has hit
Glass device can tell objects apart without needing a computer:
A device that uses a piece of glass with little bumps on it can distinguish objects based on how they scatter light, removing the need for a camera or a computer
World’s largest plant for making methanol fuel from CO2 opens in China:
The first commercial-scale plant for making methanol from carbon dioxide will save an estimated 500,000 tonnes of CO2 emissions a year compared with making methanol from coal
When will a vaccine for RSV be available in the US?:
The US has seen a huge surge in cases of respiratory syncytial virus, or RSV, mostly in young children. Two companies aim to make vaccines for children and elderly people available next year
A weird dead star may have a solid-like surface made of iron crystals:
X-ray observations show that a distant magnetar may have a surface made of a strange material somewhere between a solid and a fluid instead of a gaseous one like most stars
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