Aaron Gronstal

Astrobiologists are developing 'intelligent' instruments that could help future robotic explorers make their own decisions about where and how to collect data on Mars and other solar system bodies.

A new study at an impact crater in Canada is helping mission planners develop the most effective methods for exploring the lunar surface.

Ancient biomarkers prove microbes oxidized methane 300 million years ago.

Asteroid impacts could help spread life throughout the universe.