SpaceX said the mission was one of its most challenging launches.
Research into how humans age in space can help us solve the mystery of some earthbound illnesses.
"There’s nothing that we saw that would prevent us from going to Mars,” said astronaut Scott Kelly, who spent 340 days in space.
Astronauts Anne McClain and Christina Koch, along with flight controller Jackie Kagey, are set to conduct the International Space Station spacewalk on March 29.
The unmanned capsule docked on schedule just over 24 hours after its launch.
The mission brings the U.S. a step closer to once again sending its own astronauts to space.
NASA's Juno spacecraft recently captured the images, which were later color-enhanced.
The spacecraft — called Beresheet, Hebrew for Genesis or “In The Beginning” — will take nearly two months to reach the moon.
An enhanced image from the Juno mission shows a big brown spot on the gas giant.
Furloughed federal employees rallied outside the Johnson Space Center to demand the government be re-opened.
The aerospace company pointed to "extraordinarily difficult challenges ahead."
The New Horizons probe is hurtling toward an object nicknamed Ultima Thule in the mostly unexplored Kuiper Belt.
The agency first wants to learn various lessons by sending humans back to the moon.
They were headed for the International Space Station when the booster rocket failed mid-air.
For the first time, Elon Musk's SpaceX has successfully launched and landed a rocket on the west coast.