Live coverage: Chinese sample return spacecraft completes docking in lunar orbit

The United Launch Alliance Atlas 5 rocket, standing 197 feet tall and and weighing 1.2 million pounds, unleashes 2.4 million pounds of thrust from its main engine and four solid-fuel boosters at 6:42 p.m. EST (2342 GMT) Saturday to launch the GOES-R weather observer for NASA and NOAA from Cape Canaveral, Florida.

Michael Collins, the man who stayed behind aboard the Apollo 11 command module while crewmates Neil Armstrong and Buzz Aldrin descended to the moon and walked into history, has passed away after a battle with cancer, his family announced Wednesday. He was 90.

A brand new Chinese launcher powered by kerosene-burning rocket engines could take off on its first flight as soon as Saturday, also debuting a new spaceport on Hainan Island in the South China Sea.