An ancient ocean retained oxygen despite global warming, revealing unexpected insights into oceanic climate change.

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Popular vitamins and minerals don't always mix, especially at the high doses found in supplements. Doctors reveal which ...

The northern lights may be visible overnight from northern U.S. states on Wednesday, April 29, into Thursday, April 30, ...

A report has rung alarm bells about species thriving where they don’t belong. Fish contribute to flooding; corals destroy ...

Your dog can go from fine to struggling for air in a matter of seconds, and it’s a terrifying thing to witness. The signs are ...

As altitude increases and oxygen levels drop, climbers on Kilimanjaro face physiological risks that can turn a straightforward hike into a dangerous situation.

Leftover night feels like a game of chance with your microwave. Most of us think that if a meal was fine yesterday, it’s safe ...

For EVAs they have oxygen tanks that last for hours but not days. Breathing in minimal or zero gravity is a challenge you see ...

Want to make your garden pop with colour? Follow these simple steps for enviable, lusciously green grass all summer ...

Mark Whelan (48), was pronounced dead at the Mater Hospital less than two hours after becoming unwell in prison ...

The new study led by biogeochemist Sean Crowe has found surprising evidence that as far back as three billion year ago, there were levels of oxygen in the atmosphere too high to have been produced ...