Not all junk stays in orbit, and not all things that land are found. A Delta 2 rocket launched in 1990, re-entering the atmosphere within months. Yet it took 18 years to discover the rocket casing on ...

An unmanned Delta 2 rocket lifted off from California on Saturday carrying a NASA satellite to measure moisture in the top layer of the Earth's soil, data to be used in weather-forecasting and ...

The planned launch of a Delta 2 rocket and its international cargo at Vandenberg Air Force Base has been delayed at least 24 hours due to a software glitch. Liftoff of the United Launch Alliance ...

A Delta 2 rocket soared into the skies above Vandenberg Air Force Base Tuesday afternoon, a rare daytime departure that put an experimental missile-defense satellite in space.