Video: Falcon 9 stands at the launch pad

A United Launch Atlas 5 rocket is set to dispatch NASA’s InSight lander toward Mars, kicking off an interplanetary journey from Vandenberg Air Force Base in California.

A planet with at least 1.3 times the mass of Earth has been discovered orbiting within the habitable zone of the nearest star to our Sun, Proxima Centauri, which is just 4.2 light years away.

A NASA instrument built to help astronomers learn about the structure and behavior of neutron stars, super-dense stellar skeletons left behind by massive explosions, has been mounted to an observation post outside the International Space Station after delivery aboard a SpaceX supply ship earlier this month.