Cold and flu season means stuffy noses and plenty of sneezes. CNN’s Meg Tirrell examines why your body produces so much mucus ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

The final holdouts of a group of monkeys that escaped from a research facility in South Carolina over two months ago have ...

Hamas released four female Israeli hostages on Saturday, in a second round of exchanges between Israel and Hamas which will ...

President Trump’s executive orders this week outline a sweeping agenda, from declaring an invasion at the border to ...