SpaceX is no longer content with using rockets to launch satellites that beam internet back to Earth. The company now wants ...

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually difficult to spot.

The big astronomical event in February is a rare “planetary parade,” according to NASA. You’ll be able to see Mercury, Venus, ...

A rare planetary parade will march across the sky on Saturday, Feb. 28, according to NASA. Venus, Mercury, Saturn, Jupiter, ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

In the 1990s, astronomers confirmed the first planets orbiting stars beyond our sun. Since then, the tally has risen steadily, and last year it crossed a striking milestone: more than 6,000 known ...

The views of the setting sun are just as spectacular from space as they are on Earth.

The International Space Station, where astronauts have lived and worked for 25 years, is regularly visible to Earth. Here's how to spot it in Florida.

A solar storm could wreck havoc on our satellites and send them all crashing into each other, creating an unstoppable debris ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.