Live coverage: India’s Chandrayaan 2 moon mission blasts off

A rocket booster SpaceX used to launch a planet-hunting NASA observatory two months ago fired again Saturday at Cape Canaveral, clearing a major pre-flight checkout before blastoff June 29 with a space station supply ship.

Sensors delivered to Mars by NASA’s InSight lander have detected the first signals suggesting seismic activity on the red planet, a major discovery that extends the field of seismology to a new world beyond the Earth and the moon.

NASA’s Dawn spacecraft has continued its survey of the dwarf planet Ceres this year, discovering rock-bound ice hidden just beneath the airless world’s rugged surface and a handful of icy outcrops inside craters in the northern hemisphere, raising hopes that Ceres could have once held a buried habitable ocean of liquid water.