Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Engineers at NASA ...

After almost five decades sailing through space, NASA is trying to squeeze a few more years out of the venerable Voyager 1 deep space probe by swapping a wonky thruster system for a disused secondary ...

Earlier this year, NASA mission controllers faced a challenging decision that could have marked the end of Voyager 1's decades-long journey. Launched in 1977 to explore the outer solar system, the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Engineers at NASA ...

One of the most expensive parts of any rocket launch is getting the rocket off the ground and into space. This part of the mission takes a massive amount of fuel and money to pull off. That's why ...

Boeing’s plagued Starliner spacecraft will officially return without any astronauts on board, following what has proven to be a disastrous first crewed test flight. Before the mission even launched, ...

When NASA astronauts tried to dock Boeing's first crewed Starliner spacecraft at the International Space Station Thursday (June 6), they had to wait. Five aft thrusters on the Starliner service module ...

The thrusters on Boeing’s cursed Starliner space capsule keep overheating — and NASA is hard at work on a fix for the issue that’s led, in part, to its astronauts being stranded on the International ...

A Safran EPS X00 electric thruster firing. The company will open a second production line for the thrusters in the United States. Credit: Safran LOGAN, Utah — Safran Electronics & Defense will ...

Engineers at NASA say they have successfully revived thrusters aboard Voyager 1, the farthest spacecraft from our planet, in the nick of time before a planned communications blackout. A side effect of ...