This is thousands of crows photographed atop snow-laden trees, with street lamps illuminating them from below. [Read more]

"The other day an Australian reporter asked me, would I consider going back," he says. "I said, 'Only if somebody pays my expenses and it's for the reunion [with John and Paul]. Apart from that, no thanks.'" [Read more]

Without the app, mapping reefs usually involves high amounts of data and low-quality photos, which leads to slow analysis [Read more]

US health authorities are calling for a pause in the use of the Johnson & Johnson Covid-19 vaccine, after reports of extremely rare blood clotting cases. [Read more]

Japan will release more than 1 million tonnes of contaminated water from the destroyed Fukushima nuclear plant into the sea, the government said on Tuesday, a move China called “extremely irresponsible”, while South Korea summoned Tokyo’s ambassador in Seoul to protest. [Read more]