A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

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Oxygen levels have decreased in almost 80 percent of rivers worldwide, and they're going to continue losing this precious ...

Rivers around the world are quietly running out of oxygen — and climate change is emerging as the main culprit. A sweeping ...

A new study published in the journal Nature Geoscience found evidence of oxygen production near polymetallic nodules located deep in the ocean. Called dark oxygen, this oxygen is being produced ...

Oxygen is a cornerstone of chemistry, largely because it is so good at building the organic molecules that make up our world.

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Scientists have for the first time detected oxygen on a comet, a finding that could upend theories about how the solar system was formed. Reporting their findings in the journal Nature on Wednesday, ...

If you want to build anything with metal components, you need fire. In other words, say Balbi and Frank, astronomers looking for signs of high-tech alien civilizations should focus their efforts on ...

You do not usually notice oxygen unless it is missing. It is just there when you wake up, when you step outside, when you breathe without thinking. The sky looks the same as it did yesterday. Nothing ...