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The lift-off of SpaceX's Polaris Dawn rocket for a first-of-its-kind space mission, including the first private spacewalk in history, is scheduled for Friday after being postponed last week, US authorities announced on Tuesday.

An experiment in which four volunteers simulated life on Mars has come to an end after just over a year. The participants were able to leave the Mars Dune Alpha simulator, the US space agency Nasa announced on Saturday.

The Starship spacecraft, designed for voyages to the Moon and Mars, successfully ditched for the first time on Thursday after re-entering the Earth's atmosphere, around an hour after the mega rocket's fourth liftoff, according to SpaceX.

A Russian Soyuz spacecraft docked on Saturday night to the International Space Station in order to serve, next September, as a vehicle for the return to Earth of two Russian cosmonauts and an American astronaut, whose initial spacecraft was damaged.

Steph Deschamps / December 12, 2022 The Nasa Orion spacecraft landed in the Pacific Ocean at the end of the Artemis 1 mission, which in a little more than 25 days went around the Moon, in order to prepare the return of humans to its surface in the coming years. The capsule, which had no astronauts on board for this test flight, re-entered the Earth's atmosphere at a speed of about 40,000 km / h, and was then slowed down in its dizzying descent by a series of parachutes, according to live images from NASA. The spacecraft must now be recovered and placed aboard a U.S. Navy ship, off the Mexican island of Guadalupe.