Photos: Atlas 5 rocket aims for International Space Station

Rocket Lab says the first stage of its Electron launcher splashed down under parachute in the Pacific Ocean off New Zealand after firing into space with 30 small satellites Thursday, becoming only the second private company to return an orbital-class booster to Earth intact.

SpaceX and NASA launched a planet-hunting satellite Wednesday from Cape Canaveral, two days after calling off a launch attempt to conduct additional guidance, navigation and control analyses. Liftoff occurred at 6:51 p.m. EDT (2251 GMT), and the first stage of the Falcon 9 rocket successfully landed on a drone ship in the Atlantic Ocean.

Space station astronaut Kjell Lindgren said Tuesday he and commander Scott Kelly are big fans of Andy Weir’s book “The Martian,” adding they’re hopeful NASA will beam up a copy of the Ridley Scott movie as soon as it’s released.