Mars

The first spacecraft to fly by Mars and return close-up photographs of another planet.

The first fully successful Mars landing returns years of images and searches for life.

Airbags bounce a lander onto Mars carrying Sojourner, the first rover on another planet.

A 90-day rover mission that lasted six years and found evidence of ancient hot springs on Mars.

The record-breaking rover drives a marathon across Mars over nearly 15 years.

A polar lander digs into the Martian arctic and touches water ice for the first time.

A car-sized nuclear-powered rover lands via sky crane and proves ancient Mars was habitable.

An orbiter solves the mystery of how Mars lost its atmosphere to the solar wind.

A seismometer on the Martian plains listens to marsquakes and maps the planet’s interior.

A sample-caching rover and the first aircraft to fly on another planet.