The debate over whether Pluto is a planet, much less what constitutes a planet, is still raging in the scientific community.

Planetary scientists who want to study plants other than Mars and very unhappy with what they see as NASA's obsession with the red planet.

An extrasolar Hot Jupiter called Upsilon Andromedae b has a hot spot in one of the strangest and most awkward possible places in its atmosphere and scientists aren't quite sure why.

Scientists issue a correction to the age of the Earth. What does this mean? Pretty much nothing...