The deep oceans have crossed a crucial boundary that threatens their ability to provide the surface with food and oxygen, a ...

In an era dominated by concerns over climate change and rising sea levels, a more fundamental, often overlooked threat is ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

“In the universe, an absolute vacuum is rare, and most of the universe is very low-density high-temperature plasma,” said ...

Waste biomass created by forestry work, crop production and wildfire mitigation is often simply burned, releasing the carbon ...

Research finds diatoms evolved slowly for 100 million years and then experienced an evolutionary burst of speciation 170 million years ago.

Breathe easy, for now. Scientists say our breathable air won't last forever. A new NASA-supported study warns that Earth's oxygen supply is not a permanent feature of our planet. Though we often take ...

Four British climbers became the first to scale Mount Everest on Wednesday using Xenon gas, which helped them save several weeks that mountaineers need to get used to high altitudes, an official of ...

"With this model, we offer the most complete possible understanding of this cycle on a large scale ... consuming more oxygen than they produce, making them a growing sink of atmospheric oxygen.

They found that large-scale volcanic activity increased atmospheric ... which in turn temporarily increased atmospheric oxygen. The increase in oxygen was not very steady, though, and came and ...