Oxygen is a vital and constant presence on Earth today. But that hasn't always been the case. It wasn't until around 2.3 billion years ago that oxygen became a permanent fixture in the atmosphere, ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

Oxygen is a vital and constant presence on Earth today. But that hasn't always been the case. It wasn't until around 2.3 ...

An MIT study suggests some early life forms may have evolved the ability to use oxygen hundreds of millions of years before ...

From the Department of Bizarre Anomalies: Microsoft has suppressed an unexplained anomaly on its network that was routing traffic destined to example.com—a domain reserved for testing purposes—to a ...

Plants must breathe carbon dioxide to live, but every breath causes them to lose water that they naturally want to conserve. How do they manage this dilemma? Until now, observing this mechanism in ...

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"There is just a general acknowledgement that a lot of what is happening is illegal…" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

Hurricane Erin weakened into a Category 2 storm over Monday evening, the latest shift in what has been a remarkably fast-changing storm. The hurricane’s behavior in recent days makes it one of the ...

Research by philosopher of science and Honorary Research Associate at Bangor University, Byron Hyde, looked at the role of transparency in fostering public trust in science. Hyde argues that, to find ...