New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

Recent simulations and research have unveiled a fascinating new insight into the history of the solar system’s terrestrial ...

On Mars, a large, low-velocity impact facilitated variations in its hemispheres. Impacts also modify the atmospheres of terrestrial planets in profound ways, including eliminating or supplementing ...

In our search for planets outside of our solar system, the holy grail of this search is to find another Earth-like planet in our galaxy. While interesting candidates have appeared, so far, no ...

The images that form this picture were taken about 80 minutes after sunset during the rover's 529th Martian day (sol), on 31 January 2014. At that time the distance between Earth and Mars was ...