Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Ganymede is the largest moon in our solar system ... Dwarf planet Ceres is shown in these false-color renderings, which highlight differences in surface materials. Ceres is less a ball of rock ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find ...

Danny Lewis: Aylin says this recent finding is evidence that life could be more common in our solar system than we once thought. And also perhaps on exoplanets. Those are planets found outside our ...

The aqueous planets are 218 light-years away in the constellation Lyra, says NASA. And they’re “unlike any planets found in our solar system ... Earth were big balls of metal and rock ...

So, during the summer of 2006, members of the International Astronomical Union convened in Prague to reconsider what counts as a planet in our solar system. IAU members decided that there were ...

“If these huge planets act like bowling balls cruising through our solar system, they can disrupt, protect or, in a sense, do both to planets like ours. Therefore, better understanding their ...

“It’s completely plausible for our solar system to have captured such an Oort cloud planet,” says Nathan Kaib, a co-author on the new work and an astronomer at the Planetary Science Institut ...