Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Blue Ghost ...

Read on to find out what's up in the night sky tonight (planets visible now, moon phases ... The “sisters” are medium-bright, hot blue stars named Asterope, Merope, Electra, Maia, Taygeta ...

The Blue Ghost lunar lander has captured its first images of the moon from the spacecraft’s orbit around Earth, the Texas-based company Firefly Aerospace announced this week. The two images — which ...