Archeologists have spent centuries wondering how the towering pyramids of Giza were constructed thousands of years ago.
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The small English cathedral city of Salisbury at the center of an international investigation into the Novichok poisonings is once again in the spotlight.
A mysterious Russian satellite displaying "very abnormal behaviour" has raised alarm in the US, according to a State Department official.
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A Peruvian e-sports team has been banned from taking part in a $15m (£11m) tournament after one of its players was accused of cheating.
At least seven students have been stabbed to death and 12 injured in a knife attack outside a school in northern China, officials say.
Let's be clear: just because Prince Harry's new fiancée Meghan Markle isn't a princess doesn't mean Americans won't call her "Princess Meghan" until the end of time.
US academic Richard Thaler has won the Nobel Prize for Economics for his contributions in the field of behavioural economics, the Royal Swedish Academy of Sciences has announced.
With a medal being handed back, officials alleging dirty tricks, and calls for an independent system to judge levels of disability, is Paralympic sport losing trust?
Companies across the globe are reporting that they have been struck by a major ransomware cyber-attack.