Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.

Initially developed by theoretical physicist Brandon Carter in 1983, the “hard steps” model argues that our evolutionary ...

Bleeding gums may not seem like a serious issue. But if it becomes chronic, you might be surprised to hear that it can be a clear warning your heart isn’t working as it should. While pressure or ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Research by Montana Fish, Wildlife and Parks and Montana State University found that the majority of fish in the Big Hole, ...

If you regularly feel fatigued or weak, you may have an iron deficiency. Here are some common symptoms, causes and ways to ...

Moderate to severe obstructive sleep apnea was associated with significantly higher odds of having neovascular age-related macular degeneration, according to a study published in Clinical & ...

At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

Two main protocols are commonly used to determine VO2 max: ...

Oxygen levels typically continue to decline until around the first week of March, when they begin to return to normal.

Our immune systems rely on iron to function, but so do invading viruses and bacteria. New research from Binghamton University ...

Dark oxygen, a newly identified form of oxygen, raises questions about life in extreme environments and its implications for ...