Curiosity Rover's Self Portrait at 'John Klein' Drilling Site, Cropped This rectangular version of a self-portrait of NASA's Mars rover Curiosity combines dozens of exposures taken by the rover's Mars ...

From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or November at intervals of 100.5, 79, 25.5, and 79 years. During these events, Earth and the Moon ...

There is something quietly extraordinary about being seen from another planet. On Earth Day, Nasa shared a breathtaking reminder of just how small, how blue, and how lonely our planet truly is. The US ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position ...