It is imperative that the Western world leads in innovating in AI, says Bret Taylor, Sierra co-founder and OpenAI chairman of the board.

On-and-off snow continues to fall Thursday in Northern California, impacting travel in the Sierra. The KCRA 3 weather ... world's biggest Video of private lunar lander Blue Ghost moon touchdown ...

The mission consists of the Blue Ghost lunar lander, the Elytra Dark orbital vehicle ... Vulcan Centaur on the Cert-2 mission at 7:25 a.m. Originally supposed to fly Sierra Space Dream Chaser test ...

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The company will try again this fall with its Griffin lander. Originally, this mission was supposed to carry a NASA rover to drill for ice at the lunar south ... Dec. 16 to 26. Sierra Space ...

In a caption on X accompanying the 14 March photo, Firefly Aerospace wrote: "BlueGhost" caught her first look at the solar ...

Firefly Aerospace’s Blue Ghost lander fell silent over the weekend, wrapping up two weeks of science experiments for NASA.

Blue Ghost completed 14 days of surface operations, deploying its various payloads and transmitting more than 119 gigabytes ...

Firefly Aerospace’s Blue Ghost commercial lander has gone dark on the moon as planned, but not before sending back ...

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

The shadow of the Blue Ghost spacecraft after it landed on the moon, with Earth in the distance. Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near ...

Firefly Aerospace on Monday announced the conclusion of its Blue Ghost lunar lander mission, declaring it the first “fully ...