Live coverage: Rosetta’s final hours

A German-built landing probe the size of a microwave oven carrying a camera and a suite of scientific instruments was closing in on an asteroid Tuesday, riding aboard Japan’s Hayabusa 2 spacecraft to join two other robots deployed to the asteroid’s surface last month.

The Falcon 9 rocket set to launch the SpaceX’s Crew Dragon capsule on a test flight in February briefly ignited its Merlin main engines on pad 39A at NASA’s Kennedy Space Center in Florida on Thursday. The Crew Dragon test flight to the International Space Station is a precursor to the spaceship’s first mission with astronauts later this year.

The European Space Agency’s ExoMars Trace Gas Orbiter and Schiaparelli lander were recently presented to the media as they prepare for a tandem launch to the red planet in March.