There, nitrogen and methane have turned into ice, covering the entire planet. Yet in this icy landscape, scientists speculate that there may be a liquid ocean beneath the ice, and this ocean might ...

The dwarf planet Pluto and its five known natural satellites (Charon, Styx, Nix, Kerberos, and Hydra) may be frigid, but ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But ...

Is it time to ghost your ChatGPT boyfriend? Or finally admit your parasocial relationship with your AI therapist is interfering with your offline life? As seductive Pluto turns retrograde in Aquarius ...

Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

Oumuamua, the first interstellar object detected in 2017, is most likely a fragment of a Pluto-like body. Scientists believe it was flung out of the solar system billions of years ago during its ...