Stories, updates, insights, and original analysis from The Planetary Society.
Spirit has successfully launched to Mars, and I was there with members of the science team to witness it.
Scientists working on the European Space Agency's (ESA's) Mars Express detailed the mission's ambitious plan to study Mars from the top of its atmosphere to several kilometers beneath its surface, at a press conference in London, England last week.
The Cassini spacecraft has captured its first image of its target planet, Saturn.
Emily Lakdawalla reports on her expedition to Devon Island, where The Planetary Society is taking steps toward the goal of humans and robots working together to explore Mars.
Haughton Crater measures about 20 kilometers (12.4 miles) in diameter, and was formed 23 million years ago when either an asteroid or a comet collided with our planet.