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Sam Smith asked fans to use they/them but history shows these pronouns aren't new in language.

Police used drones to track down a man who evaded detection for almost two decades.

Astronomers report measurements from a presumed interstellar comet, providing clues about its chemical composition.

Greta Thunberg and her Extinction Rebellion peers remind us that activism is not just about lobbying for change, but doing it ourselves

When Theo Van Eijck was kicked out of a Dutch pilot-training programme in 1964, he stole a plane and flew to Libya.

They are 250-million-year-old "evolutionary remnants" most lose before birth, scientists say.

Reptile experts says it is "impossible" for a tortoise to reach such an age.

A team of more than 60 experts is trying to find out more about the enigmatic Nabataean culture.

How the ancient ritual of 'muta'a marriage' is being brutally misused to exploit vulnerable young women in Iraq.

Improvements in life expectancy are slowing after close to 200 years of fairly consistent progress. What's the cause?

Emily Zamourka's life is set to change after she was spotted hitting all the right notes in a US subway.

The outcome bias erodes your sense of risk and makes you blind to error, explaining everything from fatal plane crashes to the Columbia crash and the Deepwater Horizon oil spill.

Three scientists have been awarded the 2019 Nobel Prize in Physics for discoveries about the Universe.

The research vessel is spearheading the biggest ever scientific expedition at the North Pole.

Jupiter had been the "moon king" for some 20 years.

One man's desire to create the perfect gun profoundly changed manufacturing.

Al-Qaeda leader Osama Bin Laden was in active control of the terror network from his compound in northern Pakistan, US officials say.

A high income is a badge of success in many countries, but in Sweden a deep-rooted cultural code called Jantelagen stops many from talking about it.

One of the first things visitors to Japan notice is how clean everywhere is – yet there are hardly any litter bins and street sweepers. What's the secret behind this contradiction?

Priests and bishops will discuss whether to allow married priests in remote parts of the Amazon.

Three scientists have been awarded the 2019 Nobel Prize in Chemistry for the development of lithium-ion batteries.

Shakil Afridi was accused of running a fake vaccination scheme and says he never got a fair trial.

There could be a simple way to help young children’s brains improve for the better, with long-lasting benefits.

Child development research has often ignored fathers. But new studies have found non-maternal caregivers play a crucial role in children’s behaviour, happiness, even cognitive skills.