New evidence about dark energy may be "cusp of a major discovery"
Webb telescope's images of exoplanets "stunned researchers," NASA says
Fusion energy: Unlocking the power of the stars
See pictures of the total lunar eclipse and "Blood Worm Moon"
What to know about March's full "Blood Worm Moon," a total lunar eclipse
"Guitar shark" among the 866 new marine species discovered in ocean
22% of butterflies in U.S. disappeared in 2 decades, study finds
Moon lander from Intuitive Machines touches down, but apparently tips over
