Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Humans have been dreaming of traveling through outer space for generations. This has even been a goal before we truly understood just how large the universe is. While there have been an endless number ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...