Live coverage: Russia launches first crewed mission since Soyuz failure

In the final hours of a 340-day mission, Scott Kelly and Mikhail Kornienko said goodbye to their crewmates and closed the hatch to the International Space Station on Tuesday, heading for a parachute-assisted touchdown in Kazakhstan a few hours later.

NASA’s Ingenuity helicopter is being lowered from the belly of the Perseverance rover this week as ground teams run through a choreographed long-distance command sequence to safely release the $80 million rotorcraft onto the surface of Mars.

Space missions dispatched into the solar system often have journeys lasting years before reaching a scientific payoff, but NASA’s Parker Solar Probe launched last weekend on a speedy departure from planet Earth is already getting ready to sweep closer to the sun than any spacecraft in history during a flyby later this year.