NASA’s Chandra X-ray Observatory has revealed 84 mysterious hypersoft X-ray sources in six galaxies. Scientists believe they could solve major mysteries about supernovae and galactic evolution.
Artemis II was NASA’s first crewed mission around the Moon in more than 50 years. Here is what the mission aimed to achieve, how it unfolded, what it gave humanity, and what Artemis III and future lunar missions plan next.
