You probably have one tucked away somewhere. Maybe it's been sitting in a drawer for years, or perhaps you received it as a ...

Collectors and dealers say some old $100 bills are quietly trading for many times their face value, turning an ordinary trip ...

From philately and numismatics to book collecting birding and phillumeny these engaging pursuits blend learning leisure and ...

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569.

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...