With their launch date now delayed, the four astronauts, who will be the first crewed NASA lunar mission in over 50 years, attended Tuesday’s State of the Union address as guests of House Speaker

NASA is about to roll its Artemis II moon rocket back to the Vehicle Assembly Building to fix a helium flow issue that guarantees astronauts won't fly around the moon in March.

Curiosity has been exploring a region filled with boxwork formations, which formed billions of years ago when water leaked through rock cracks.

The Artemis II mission suffered another setback over the weekend due to an issue with the flow of helium to its SLS rocket's upper stage. That has forced the space agency to roll the craft away from the launch pad to investigate the issue – and that will, said NASA Administrator Jared Isaacman, "take the March launch window out of consideration."

NASA's Perseverance rover can now pinpoint its exact location on Mars without help from Earth, paving the way for longer, more autonomous exploration.

NASA will roll its Artemis 2 moon rocket off the launch pad on Wednesday (Feb. 25) to deal with a glitch, and you can watch the four-mile trek live.

Astronomers have captured the first views of a young sun-like star blowing bubbles, offering a rare glimpse at how our solar neighborhood might have behaved in its youth. Using NASA's Chandra X-ray Observatory,