NASA's long-awaited moonshot with astronauts is off until at least March because of hydrogen fuel leaks that marred the dress rehearsal of its giant new rocket. It's the same problem that delayed the Space Launch System rocket's debut three years ago.

After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on large areas of the U.S. pushing temperatures well below normal. From the Midwest to the South, the impacts of snow and ice became more extreme.

The AI used the same data human planners employ to guide Perseverance through the Martian terrain. February marks the five-year anniversary of Perseverance ‘s time on Mars. But when it comes to trying out new things, NASA’s rover seems to be as active as it was on the day it first arrived on the Martian regolith.

NASA's Artemis II wet dress rehearsal faced setbacks today with two interruptions from a liquid hydrogen leak exceeding limits on the SLS rocket's core stage. LOX loading proceeded normally during the key pre-launch test simulating countdown operations.