The planet Venus is like Earth’s worst twin – roughly the same size but with a thick layer of acid clouds over a crushing, hellish atmosphere. Its clouds in particular have been a source of interest, ...

The observations expand the range of environments where habitable worlds might emerge. Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most ...

Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine Exists Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Is our solar system hiding a secret? :milky_way: Scientists at Rice University believe there’s a 40% chance that a mysterious ninth planet — Planet Nine — could be orbiting far beyond ...

Now located halfway between the sun and the solar system's furthest planet, Neptune (or 16.6 times the distance between the Earth and our star), C/2014 UN271 becomes the second-most distant comet ...

If there were one, that Planet Nine would "nudge the closest part of 2017 OF201's trajectory inward until Neptune flung it out of the solar system." Because 2017 OF201 is there, that could be an ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, astronomers have warned.

Researchers announced that NASA’s James Webb space telescope captured an unusual snapshot of a small, gassy planet known as TOI-421 B. They found strong signs of water vapor but no traces of carbon ...