Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

If you’re waking up tired even after seven or eight hours of sleep, your heart rate may be falling too far during the night.

Summiting the Roof of Africa isn't for the faint of heart, but these tips for climbing Kilimanjaro (from someone who has done ...

Placenta previa is a serious condition during pregnancy in which the placenta sits very low in the uterus. Its location may cover the cervix fully or partially. This condition may cause bleeding and ...

New research reveals how ocean viruses burst algae cells, fueling a subsurface oxygen band through rapid microbial recycling.

Many people still don’t understand how protein works, why it matters or the best ways to get enough of it in their diet. Here ...

With the nation facing a winter blood shortage, the American Red Cross of the Greater Shenandoah Valley is urging donors to give now — an easy act that can save ...

According to the SWPC, the best time to see the Northern Lights is between 10 p.m. and 2 a.m., as the level of geomagnetic ...

Comment: The breathless action on court was accompanied by constant pageantry, politics in the form of anti-Trump shouts...

A solar storm of this strength could spark aurora visible to the naked eye as far south as parts of California, the central ...

Experts have warned pollution remains a significant challenge despite the return of some 125 species to the river ...

Yes, you can treat the symptoms – but working out the causes is probably more effective. Here’s what to look for.