This will occur Friday, and everyone in the world can watch, weather permitting. Earth and Mars align with the sun in opposition about once every two years. But truly jaw-dropping midnight views of ...

Mars will be visible to stargazers Sunday night as it moves into opposition with Earth. All you have to do is walk outside and look up at the sky. Because Mars is directly opposite the sun, the red ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...