Outer space contains more incredible phenomenons and unsolved mysteries than anywhere else—and we think it's just fascinating ...

Bill Nye hopes moon missions could help solve some space mysteries Bill Nye "The Science Guy" joins CNN.

The Interstellar Mapping and Acceleration Probe, a Princeton-led NASA mission to study the Sun and everything it touches, has officially begun its science mission. Princeton marked the occasion with a ...

When one celestial object passes in front of another, it can cast a shadow that travels across space – and sometimes across Earth. These moments of alignment, known as eclipses, occultations, and ...