BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Days after it was launched from Earth, Firefly Aerospace's Blue Ghost lunar lander is cruising in the vacuum in space as it ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

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