NASA postpones Artemis II mission due to new rocket malfunction.
A helium leak on the rocket forced NASA to postpone the Artemis II launch, originally scheduled for April, following an incident on February 20th.
Báo Khoa học và Đời sống•24/02/2026
The US National Aeronautics and Space Administration (NASA) says it will postpone the Artemis II mission – a plan to return humans to the moon in over half a century – following a new incident with the rocket. Photo: NASA. Specifically, in the latest incident on February 20th, the flow of helium to the upper stage of the rocket was interrupted. The helium flow plays a vital role in cleaning the engine and pressurizing the fuel tanks. This helium incident is completely unrelated to the hydrogen fuel leaks that occurred during tests earlier in February. (Image: NASA/Frank Michaux)
NASA revealed the latest problem just one day after announcing plans for the Artemis II mission on March 6th. Following the rocket incident, NASA's mission to return astronauts to the Moon may be delayed until April at the earliest. Photo: NASA. Explaining the latest incident, NASA Administrator Jared Isaacman said a faulty filter, valve, or connecting plate could be the cause of the helium gas blockage. Photo: MIGUEL J. RODRIGUEZ CARRILLO/Getty Images.
According to Director Isaacman, whatever the cause, the only way to fix the problem is to return the 98-meter-tall rocket to its hangar for repairs. Photo: X/@NASASpox. "We will prepare for the missile's recovery, and this will eliminate the chance of launching the missile in March," Isaacman said. Photo: Lockheed Martin/David Wellendorf. Director Isaacman added that NASA plans to launch the Artemis II mission in early or late April. Photo: Cristóbal Herrera/EPA.
The Artemis II mission was a continuation of the legendary Apollo program, which sent 24 astronauts to the Moon between 1968 and 1972. Photo: Paul Hennessy/Anadolu via Getty Images. Readers are invited to watch the video: Behind the success of scientists . Source: VTV24.
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