Science fiction at its best isn't always just about spaceships and aliens. While blockbusters give us explosions and invasions, the truly great ones use their f ...

Star Trek turns 60 years old this year, and with Starfleet Academy premiering this month, we're celebrating by ranking all 12 of the previous Trek series.

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

Earth has experienced many icehouse and greenhouse climates. A new study shows how they connect to plate tectonics.

Astronomers have, for the first time, captured a detailed snapshot of planetary systems in an era long shrouded in mystery.