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BBC investigation finds oil companies not declaring millions of tonnes of cancer-linked emissions.

The science of these viral mash-ups reveals why they are so effective at spreading ideas and beliefs.

Built by indigenous masons, these 1,500-year-old pyramids are still standing strong, held together by sticky juice from the prickly pear cactus.

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The Kashmiri American illusionist and mystic drew on his legendary powers of concentration to entertain and astound (in)credulous audiences.

The star played the crystal instrument once owned by James Madison during one of her US concerts.

Princess Anne was at the launch of an expedition retracing a British explorer's journey 105 years ago.

Fans of Brazil's president see him as a legendary leader, and are convinced he will win re-election.

The grandmaster was criticised for on-air remarks labelled "offensive" and "embarrassing".

The allegation comes after both Nord Stream undersea gas pipelines sprang a leak on Monday.

Magnus Carlsen claims Hans Niemann has "cheated more than he has publicly admitted", but offers no evidence.

The former US intelligence contractor leaked a vast US intelligence surveillance programme in 2013.

Hilaree Nelson appeared to fall into a 2,000ft gap in the ice descending the world's eighth tallest peak.

The same technique could be used to deflect space rocks that threaten Earth.

Long before the Rosetta Stone was deciphered, Arabic scholars had made their own breakthroughs with Egyptian hieroglyphs, writes Daisy Dunn.

The Dart mission will test a technique for defending the Earth against hazardous space rocks.

The ancient city of Great Zimbabwe was an engineering wonder. But archaeologists credited it to Phoenicians, Babylonians, Arabians – anyone but the Africans who actually built it.

The minister is under tighter police surveillance after a "serious threat", federal prosecutors say.

Double Olympic marathon champion Eliud Kipchoge breaks his own record for the men's marathon at Sunday's race in Berlin.

Magnus Carlsen's apparent accusation against Hans Niemann is the biggest chess scandal in years.

It's filled with artefacts that have shaped history - but its doors are firmly shut to the public.

The 24-year-old also plotted to kill Canadian PM Justin Trudeau, prosecutors told a Canadian court.

The video was released a day after authorities had earlier announced extensions to Covid restrictions.

The largest diamonds to feature in King Charles III's coronation may be pieces of the ancient ocean floor, which drifted down into the interior of our planet – then came back up.

US regulators said the firm and its former boss misled investors following two fatal crashes.