NASA’s Curiosity rover has photographed a bizarre, coral-shaped rock on Mars, believed to have formed billions of years ago.

"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and human exploration and how we do these best together." When you purchase ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones. These first steps will be the result of decades of research, engineering, and imagination coming together, marking ...

NASA has launched a competition to help develop food sources for astronauts on Mars. The winning idea might even help people ...