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.

A new “non-kinetic effects cell” has helped push cyber operations to the forefront of specialized U.S. military missions such as the capture of Venezuela's leader in the capital of Caracas, a top ...

SCC is a common skin cancer, more aggressive than basal cell carcinoma, with potential to metastasize. Long-term UV exposure is a primary cause, with SCC often appearing on sun-exposed areas.

A new study helps explain why you get sick from a common cold virus. The secret, it turns out, lies inside your nose. Winter brings a surge of respiratory illnesses, including rhinoviruses, the most ...

The U.S. Department of Health and Human Services will launch a study on cellphone radiation, a department spokesman said on Thursday, building on Secretary Robert F. Kennedy Jr’s criticism linking ...

The U.S. Department of Health and Human Services will launch a study on cell phone radiation, a department spokesman said on Thursday, Jan. 15, building on Secretary Robert F. Kennedy Jr's criticism ...

Polyamines are small molecules naturally present in all cells and are critical in guiding cellular decisions, whereas an alteration in the abundance of these metabolites is invariably observed in ...

RNA is usually portrayed as a molecule that works deep inside the cell, helping to turn genetic information into proteins. But new research led by Utrecht University scientist Jack Li shows that RNA ...

Tuberculosis (TB) is a confounding scourge. It's the leading cause of death from infectious disease in the world, and yet it's estimated that those deaths represent perhaps 5% of infections with ...

Imagine if our bodies could grow new organs throughout our entire lives. Plants do this constantly, thanks to tiny, powerful reservoirs of stem cells. But how do these cells know when to divide, and ...