Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

In science-fiction stories, companies often mine the moon or asteroids. While this may seem far-fetched, this idea is edging ...

The moon is a key step in the journey of space exploration, but making it habitable brings up lots of questions around space ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

I’ve been talking about a predicted star explosion in this column for several months now: the “recurrent nova” T Coronae Borealis, popularly known as the “Blaze Star.” Months ago, based ...

The outer solar system is awash with liquid water. A briny ocean is concealed beneath the icy crust of Jupiter’s fourth largest moon, Europa — with more water than all of Earth’s oceans ...

Evidence of a deep global ocean beneath the crust of Saturn's moon Mimas—sometimes called the "Death Star"—has surprised astronomers because it's such an unlikely place to find one.