Hubble SpaceTelescope observations of the aftermath of a giant star explosion are offeringa new glimpse into the events that follow the collapse of a massive dying star. Thiswell-known supernova ...

The Space Shuttle Challenger and her seven-member crew were lost when a ruptured O-ring in the right Solid Rocket Booster caused an explosion soon after launch from the Kennedy Space Center in this ...

X- and Y-shaped ocean waves that are often seen at beaches may help explain why tsunamis can be so devastating, researchers say. Ocean waves can sometimes interact to yield ripples that are much ...