NASA announced the news Tuesday, shortly after the critical fueling test ended at Kennedy Space Center. Until the exasperating hydrogen leaks, the space agency had been targeting as soon as this weekend for humanity's first trip to the moon in more than half a century.

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting increased geomagnetic storm activity.

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, and modeled potentially observable high-energy signals."

By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it turns out that it is not quite as large - by ever so small an amount - as scientists had previously thought.

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.

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.