LAUREL, Md. — As people around the world celebrate the new year, astronauts in space are getting to work.

Canadian astronaut David Saint-Jacques recorded a festive video for the people of Earth Monday (Dec. 31) with a simple New Year's Eve message.

"Happy New Year!" Saint-Jacques said in English and French in separate videos posted to Twitter.

This New Year's Day, the three-person crew of the International Space Station have some chores and science to do. They're scheduled to spend the day unpacking a SpaceX Dragon cargo ship (which arrived earlier this month) and performing science experiments, NASA spokesperson Dan Huot told Space.com on Dec. 20. But the space travelers will get some time to rest.

"Whenever the crew is asked to work a holiday, though, they get an extra day off in the future to make up for it," he said in an email.

The station's current Expedition 58 crew consists of Saint-Jacques (of the Canadian Space Agency), NASA astronaut Anne McClain and Russian cosmonaut Oleg Kononenko of Roscosmos. Kononenko commands the crew.

Canadian Space Agency David Saint-Jacques waves a "Happy New Year" message to Earth fro 2019 from the Cupola of the International Space Station on Jan. 1, 2019. (Image credit: Canadian Space Agency/David Saint-Jacques via Twitter)

The station crew isn't the only one working through the new year.

Today, NASA's New Horizons spacecraft made a historic flyby of the Kuiper Belt object Ultima Thule. At a range of 4.1 billion miles (6.1 billion kilometers) it is the farthest-ever flyby of an object in our solar system. New Horizons scientists at the mission's operations center at Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland are expecting to receive the first post-flyby signal from New Horizons later today at 10:30 a.m. EST (1530 GMT).

New Horizons principal investigator Alan Stern (center) celebrates with school children at the moment the spacecraft was planned to reach its closest approach to Kuiper Belt object Ultima Thule on Jan. 1, 2019 at the Johns Hopkins University Applied Physics Laboratory. It is the furthest flyby in history. (Image credit: Bill Ingalls/NASA)

And still another space mission had a busy New Year's Eve.

NASA's OSIRIS-REx asteroid probe arrived in orbit around its target asteroid Bennu on Monday (Dec. 31).

"The team continued our long string of successes by executing the orbit-insertion maneuver perfectly," OSIRIS-REx principal investigator Dante Lauretta of the University of Arizona said in a statement. "Entering orbit around Bennu is an amazing accomplishment that our team has been planning for years."

Space.com staff writer Hanneke Weitering contributed to this report from New York City. Email Tariq Malik at tmalik@space.com or follow him @tariqjmalik. Follow us @Spacedotcom and Facebook.