The mission launched in April to test a cost-effective form of space travel that relies on the Sun, but it's not going as planned.
The European Space Agency is calling the risky "braking" maneuver a "double world first."
NASA and Boeing are now targeting June 26 to return the Crew Flight Test mission from the ISS, marking the third delay in departure.
The iconic mission has resumed regular science operations for the first time since November 2023.
Starliner teams detected a helium leak before launch, two more after liftoff, and now a fourth and fifth leak with the vehicle docked at the ISS. Oh my.
The mission team is hoping BepiColombo can make it to its next gravity assist so that it can arrive at the planet in 2025.
Teams replaced a faulty valve that led to the initial launch delay, but a new issue with the Starliner spacecraft has postponed liftoff for a second time.
A scorned company has warned NASA of a "disaster" should it proceed with a second launch attempt of the crewed spacecraft.
The space agency is investing in the development of a propulsion system that uses nuclear power to create plasma bursts.
This is the latest in a series of delays that have marred the maiden test flight of a crewed Starliner spacecraft.
Starliner's first crewed test flight is set for launch on Monday following years of delays and glitches. Given it's Boeing, we're nervous as hell.
NASA's inspector general revealed new details regarding lingering anomalies with the Orion capsule's heat shield.
Plus: Alarming levels of bird flu detected in milk, Voyager 1 regains cosmic clarity, and examining the effectiveness of washing produce to remove pesticides.
The mission rode aboard Rocket Lab's Electron, reusing one of the rocket's boosters for the first time.
JPL engineers pinpointed the cause behind the anomaly and came up with a clever plan to rescue the iconic mission.
The two satellites came to within less than 30 feet of each other back in February, a distance far closer than initial estimates suggested.
Batteries falling from space, an eclipse photobombed by comets, a newborn star, and more, mark another exhilarating week in space.
Sierra Space's Ghost delivery platform is now in beta testing.
The Solar Sail mission will launch on April 23 on board Rocket Lab's Electron vehicle.
Astroscale's satellite parked itself next to an old rocket, aiming to capture the wayward junk and fling it towards a fiery death.
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