Rocket company SpaceX has filed plans with the FCC for up to one million 'orbital data center' satellites. The Elon Musk ...

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a ...

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 ...

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.

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Astronomers have identified a rare sednoid called Ammonite, an icy object beyond Neptune that offers new insight into the ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...