The cataclysmic event set off a gravitational tsunami and, along with other heavy metals, generated..

Researcher finds out why an electric eel leaps out of the water to give him..

Zika depletes the stem cell reservoir for brain tumors, reducing the likelihood of a relapse..

A researcher describes how getting modern people to make Stone Age tools shows what brain..

The dating is better, but it is now less clear if this famous artifact killed..