NASA’s 1,323-pound Van Allen Probe A is expected to re-enter Earth’s atmosphere nearly 14 years after its launch.

Mission Control will be packed with experts, specialists and flight directors around-the-clock as NASA takes on its most complicated mission in more than half a century.

March 4 (Reuters) - NASA plans to select United Launch Alliance to supply a critical component for future missions of its moon rocket, Bloomberg News reported on Wednesday, citing people familiar with the matter.

NASA is in the process off rolling its towering Artemis 2 moon rocket back to its hangar after more than a month at Launch Complex-39B at the Kennedy Space Center due to a helium system issue. The Artemis 2 moon rocket consists of NASA's second Space Launch System rocket and Orion spacecraft,

In shaking up its Artemis lunar program, NASA's new moon plan looks more like the Apollo missions of the 1960s. Instead of landing on the surface on Artemis III, NASA hopes to do so on Artemis IV.

Harvard astrophysicist Avi Loeb has a lot to say about 3I/ATLAS, the Manhattan-sized interstellar comet, which is set for its closest pass to the Sun on Wednesday. It swung by Mars on Friday, within 18 million miles (29 million kilometers) of the red planet.

NASA's Hubble Space Telescope, seen here after the final shuttle servicing mission in 2009. Credit: NASA WASHINGTON — NASA is seeking concepts from industry on how they would reboost the orbit of the Hubble Space Telescope, a sign that the agency is ...