ABC News contributor and former senior CIA field operative Darrell Blocker discusses the potential threat from sleeper cells to the U.S. Winter storm warning for 36 inches of snow: 'Avalanche danger' ...

Plants constantly juggle oxygen inside their cells, but scientists have now discovered a surprising twist in how that balance works. Researchers at the University of Helsinki found that ...

A team of scientists has uncovered a key strategy used by coronaviruses to turn human cells into virus-production factories. Published in a leading scientific journal, the research reveals that during ...

Cancer cells with a cell nucleus that is easily deformed are more sensitive to drugs that damage DNA. These are the findings of a new study by researchers at Linköping University in Sweden. The ...

American counterterrorism agencies are quietly monitoring suspected sleeper cells on U.S. soil in the wake of joint U.S.–Israel strikes on Iran, stepping up surveillance amid heightened fears of ...

Add Yahoo as a preferred source to see more of our stories on Google. American counterterrorism agencies are quietly monitoring suspected sleeper cells on U.S. soil in the wake of joint U.S.–Israel ...

While blockchain networks are often credited with transparency and security, behind every confirmed and secure transaction is a hidden phase where everything is happening behind the scenes. This phase ...

America's top security veterans are warning that Iranian sleeper cells and radicalized sympathizers could be weighing retaliation as the war with Tehran intensifies. As US and Israeli forces continue ...