Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

Less lethal impact munitions fire a projectile providing a transfer of kinetic energy that will impact and potentially incapacitate a suspect. Different launchers and projectiles are on the market ...

Another variation of the eXact iMpact available from Safariland is the Direct Impact. It has a crushable Styrofoam nose that carries a payload of OC, CS, or marking dye. Wall says tactical law ...

Approximately 66 million years ago, the Chicxulub asteroid, estimated to be 10-15 kilometer in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide impact ...