Theranos scandal: Who is Elizabeth Holmes and why is she on trial?

The former boss of blood testing company Theranos is accused of fraud and could face years…

Hurricane Ida: Striking pictures show storm sweeping Gulf Coast

Hurricane Ida made landfall on the US state of Louisiana, on the 16th anniversary of Hurricane…

Will I ever be able to fly again without feeling guilty?

More efficient planes and sustainable fuels could lower air travel’s impact, but not for a while. …

Does feeding garden birds do more harm than good?

How bird feeding could disrupt an ecological balance just beyond our windowsills and gardens. …

Covid origin: US spy agencies publish 'inconclusive' report

The office that oversees US spy agencies could not establish how the coronavirus pandemic began. …

Greenland island is world's northernmost island – scientists

They say a tiny island off Greenland’s coast was discovered by luck during a recent expedition. …

Climate Basics: Can carbon offsetting help the planet?

BBC Reality Check looks at whether it’s possible to buy your way out of creating harmful…

New species of ancient four-legged whale discovered in Egypt

The three-metre whale was found in Egypt and has been named after Anubis, the ancient god…

Light pollution from street lamps linked to insect loss

Scientists say light pollution is a factor driving “worrying” declines in local insect populations. …

Tortoise eating bird caught on camera by conservationist

It is believed to be the first time this behaviour of giant tortoises has been documented. …