A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary disk might be to blame.

An international team of astronomers has shown for the first time that it is possible to map exoplanets using a technique ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Rogue planets do not orbit around a star, but instead wander through the galaxy aimlessly. NASA estimates there are billions ...

While NASA classifies the object as a harmless comet, per Economic Times, Loeb described the matter similar to a “blind date, ...

A recent research paper suggests that a planet may exist far beyond Neptune — less than 20 years after the previous ninth planet, Pluto, was demoted. That research paper, accepted last month for ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...