Another 51 whales die in latest New Zealand mass stranding

A team of researchers has come across the Earth's most northerly island. The discovery came about by chance, after a mix-up with satellite tracking. Danish scientists stumble upon world's northernmost island

Experts in South Africa are testing a new coronavirus variant to determine if it poses a threat. Germany's infection rate has fallen for the first time since early July.

Researchers are studying the whales' stress levels in their hormones. iStock Previous studies on tourism's impact on whales, which were based on behavioural observations, concluded that tourism caused only minor disruptions to the mammals.

The high temperatures were particularly severe in countries such as Italy, Greece and Spain. The continent experienced a variety of extreme weather events this summer, including deadly flooding and wildfires.

A team of international scientists has said current vaccines are effective at preventing severe illness, and that supplies will be better utilized to inoculate unvaccinated populations.

The Stony Coral Tissue Loss Disease has plagued Florida’s coral reef, killing nearly half of the state’s corals and majorly affecting the Florida Keys. In Orlando, the Florida Coral Rescue Center is racing to save these vital marine animals.

A boat crew casts a net into the seemingly clean waters off Japan's Izu peninsula, but not to catch fish -- they are scooping up microplastics to learn more about the pollution's impact on marine life.

Advances in genetic engineering are reviving the idea of de-extinction, or whether to bring back extinct animals to try to save endangered ecosystems. But is it really a good idea? What would be the unforeseen consequences of such an act? We speak to Ben Lamm, CEO of the American startup Colossal, which has just raised $15 million to revive the woolly mammoth.

Companies owned by billionaires Bill Gates and Warren Buffett are planning to launch the first so-called Natrium nuclear reactor project. Many experts see the project as a misguided attempt to hit CO2 reduction targets.

South Africa's health minister has said a newly identified coronavirus variant is of "serious concern." Scientists said the variant could be behind a major spike in cases in the country.

How effective will vaccines be against the new variant? Hope rests on research centers and vaccine developers to keep up with the speed of the variant's spread around the world.

An EU climate agency has said 2021 was the fifth-warmest year ever recorded globally. Greenhouse gas emissions have supercharged wildfires, heat waves and flooding, affecting every continent.