NASA’s latest Mars mission is not taking the familiar highway. Instead of a direct cruise along the classic Hohmann transfer, ...

Far from being quiet, frozen backwaters, the icy moons of the outer solar system are starting to look like some of the most ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

Using direct imaging, astronomers have found a brown dwarf that could help test technology for taking snapshots of Earthlike ...