Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

Blue Origin's NS-29 New Shepard rocket is scheduled to launch Feb. 4 after a weeklong delay. Here's what to know ...

"The temperature just wildly swings from extremely hot to extremely cold," John Monnier, a professor of astronomy at the University of Michigan, told Live Science. The moon's temperature can range ...

While not needed for most people’s daily schedules, establishing time on the lunar surface as compared to time on Earth is vital to realizing a permanent human presence on the moon. Earlier this ...