Lowly algae key to rise of complex life, study says

For nearly 3 billion years, the evolution of life on Earth remained mostly stalled at the single-cell stage, yielding a watery world teeming with bacteria. But then the melting some 650 million years ago of Snowball Earth — when oceans at the equator were frozen to a depth of 2 kilometers ...

Martian night forecast: Dark with flurries

/ Aug 22, 2017

Martian night forecast: Dark with flurries

Mars is buffeted by turbulent snowstorms that occur only at night, according to a study released Monday that revises our understanding of Red Planet weather. Up to now, it was thought that snow falling from low-lying Martian clouds settled slowly and sparsely to the ground ...

/ Aug 16, 2017

Rare drug-resistant fungus found in 55 U.K. hospitals

A rare fungus that can cause drug-resistant infections has been found in around 200 patients in more than 55 hospitals across Britain, health officials said on Tuesday. Around a quarter of the cases of Candida auris have caused infections with symptoms, Public Health England (PHE) ...