The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” ...

Plant behavior may seem rather boring compared with the frenetic excesses of animals. Yet the lives of our vegetable friends, ...

Plants shape Earth’s atmosphere by moving carbon and water vapour. New research sheds light on how they learned to do it – ...

Confronting images of dead seadragons, fish and octopuses washed up on South Australian beaches—and disturbing reports of ...

To mitigate global climate change, emissions of the primary culprit, carbon dioxide, must be drastically reduced. A newly ...

Pope Francis spent the night without a breathing mask, the Vatican press office said March 18, indicating that his need for supplemental oxygen continues to diminish.

Five years after the pandemic started, we look back at some of the most memorable photos that were taken during the global ...

an American flag behind him—an image that would instantly define a moment in US history. His reaction? “Wow, that’s iconic,” Trump reportedly said. “That’s the most American picture I ...

ROME, Italy — Pope Francis passed a calm day in hospital Tuesday with no repeat of the previous day's respiratory crises, but the 88-year-old will wear an oxygen mask overnight, the Vatican said. The ...

Pope Francis was breathing without a mask on Tuesday after ... As of Tuesday morning, Francis had switched from an oxygen mask to high-flow oxygen delivered through a cannula, a plastic tube ...

after he suffered a breathing crisis on Friday. The leader of the world's almost 1.4 billion Catholics had required the oxygen mask on Friday and Saturday, but not on Sunday, when he participated ...

On Tuesday morning, the pope returned to a high-oxygen flow nose tube, and was awake and continuing breathing exercises, according to the sources. They also said it is "[p]remature to think" if ...