This was a big week in space, from Curiosity stumbling upon sulfur crystals to an exoplanet discovery and a major advocacy effort.

The gas giant is the Solar System's largest planet. Here's why it's also the fastest-spinning planet.

NASA has canceled VIPER, a rover designed to seek out water ice and other resources in the lunar south pole.

A comet collided with Jupiter 30 years ago, and the resulting images still inspire awe and wonder today.

One rocket could decide how soon humanity returns to the Moon — and maybe one day sets foot on Mars.

If passed, it would be the first standalone NASA authorization since 2017.