In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

In a once-a-year event, Saturn is about to reach opposition, with the ringed planet appearing its best and brightest as it ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it’s feasible is another matter.

From the night of September 7 to the early morning of September 8, 2025, a spectacular total lunar eclipse will occur, ...

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...