NASA’s Artemis program, the linchpin of America’s efforts to return astronauts to the moon, aims to conduct regular missions to the lunar surface before the space agency eventually ventures to Mars.

Lawmakers are growing concerned that China may beat the United States to the Moon — and acting NASA administrator Sean Duffy is willing to throw the agency's brave astronauts under the bus to make sure that doesn't happen.

Thousands of newborn stars sparkle and dazzle in the latest snapshot by NASA’s Webb Space Telescope. Released this week, the picture provides a breathtaking view of a nearby star-birthing center, 5,500 light-years away. A single light-year is 5.8 trillion miles.

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a comet — or possibly something more advanced. The object, known as 3I-ATLAS, was discovered on July 1 by a telescope in Chile.

NBC News' Ken Dilanian and MSNBC's Marc Santia reports on the developing new of the president saying he believes the Charlie Kirk shooting suspect is in custody.

Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.