Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in ...

Why is it rare for dangerous blood clots to form in our blood? What happens if this safety mechanism fails? An international team of researchers involving the University of Greifswald has taken a ...

Nature gave ticks, mosquitoes and leaches a quick-acting way to keep blood from clotting while they extract their meal from a host. Now the key to that method has been harnessed by a team of ...

If you've ever accidentally sliced yourself on broken glass or a piece of paper, you may have noticed that the bleeding can be hard to stop. Scientists have long wondered how the cascade of events ...