Our solar system is just a tiny island within a vast galactic sea. This journey moves outward to explore the structure of the Milky Way, from its spiral arms to its mysterious core. Discover how our ...

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

Add Yahoo as a preferred source to see more of our stories on Google. The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...

Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...

Astronomers are tracking a visitor called 3I/ATLAS, the third confirmed interstellar object ever observed. The two previous instances were 1I/’Oumuamua in 2017 and 2I/Borisov in 2019. 3I/ATLAS is ...