Recent outages have revealed how vulnerable the internet is, but there seems to be no official plan in the event of a catastrophic failure. Meet the team of hackers who are ready to jump into action

Recent outages have revealed how vulnerable the internet is, but there seems to be no official plan in the event of a catastrophic failure. Meet the team of hackers who are ready to jump into action

Expectations are low for the UN climate conference in Belém, Brazil, but the host’s pragmatic approach could help make progress on implementation

Expectations are low for the UN climate conference in Belém, Brazil, but the host’s pragmatic approach could help make progress on implementation

Building a working quantum internet would require overcoming a host of technical challenges, but researchers who have built one of the most advanced quantum networks to date say they think it is possible

Building a working quantum internet would require overcoming a host of technical challenges, but researchers who have built one of the most advanced quantum networks to date say they think it is possible

A distant black hole has been caught releasing the brightest flare ever, which is the result of it ripping apart and devouring an enormous star

A distant black hole has been caught releasing the brightest flare ever, which is the result of it ripping apart and devouring an enormous star

Enamel does not naturally regenerate, which can lead to painful cavities, but a gel that harnesses some of the properties of saliva could restore the hard, shiny layer to teeth

Enamel does not naturally regenerate, which can lead to painful cavities, but a gel that harnesses some of the properties of saliva could restore the hard, shiny layer to teeth

Alzheimer's-related cognitive decline could be slowed by taking as few as 3000 steps a day, possibly due to the effects of regular exercise on brain health

Alzheimer's-related cognitive decline could be slowed by taking as few as 3000 steps a day, possibly due to the effects of regular exercise on brain health

Hektoria glacier on the Antarctic Peninsula retreated 25 kilometres in just 15 months. Its rapid melt could have implications for other glaciers and the rate of sea level rise

Hektoria glacier on the Antarctic Peninsula retreated 25 kilometres in just 15 months. Its rapid melt could have implications for other glaciers and the rate of sea level rise

Anthropologist Christopher Bae has recently suggested we add two new species of ancient human to our family tree. The plans break the conventions for how species should be named – but Bae argues the rules themselves are flawed

Anthropologist Christopher Bae has recently suggested we add two new species of ancient human to our family tree. The plans break the conventions for how species should be named – but Bae argues the rules themselves are flawed

There are now over 10,000 satellites in orbit, more than at any point in history, and this growing number is starting to reveal how solar storms could disrupt internet mega constellations like SpaceX's Starlink

There are now over 10,000 satellites in orbit, more than at any point in history, and this growing number is starting to reveal how solar storms could disrupt internet mega constellations like SpaceX's Starlink

The very first generation of stars, called Population III stars, are mostly expected to be too distant to see directly – but astronomers may have found some for the very first time

The very first generation of stars, called Population III stars, are mostly expected to be too distant to see directly – but astronomers may have found some for the very first time