A study published in the medical journal Thorax raises questions about foods that cause lung cancer, saying that some foods ...

The rare volcanic eruption in Russia has gone viral after mesmerizing glimpses of the natural phenomenon up close.

When Jai moved to Delhi, the air pollution led him to suffer from respiratory illnesses, which prompted him to do something.

The paddleboarder goes out of her way to save a shark's life that was threatened by human recklessness.

Once the seagull departed from her nest at the Farallon Islands, she displayed a mysteriously high flying speed of 60 miles ...

A decade ago, there were more than 1,600 little blue penguins on the Granite Island of Australia, but now only 30 are left.