Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

And Back - The Super Soldiers Defending the Kuiper Belt On April 7, 2016, the team running NASA’s New Horizons mission were ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...

For millennia, the way we found our way home has been using the stars. The tech we have sent towards those stars also uses ...

Astronomers have discovered a gigantic comet, possibly the largest ever, which is emitting jets of carbon monoxide from its interior.

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...