A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

Experts have unveiled details of SIMP 0136, a floating planetary mass thought to be around 20 light-years away from the Earth ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Dec. 9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in ...

This finding provides compelling evidence that the giant planets in HR 8799 formed through core accretion, a process similar to the formation of Jupiter and Saturn. Diminutive Barnards Star is ...

"Based on our projections, I don’t think Jupiter will ever catch up," said lead researcher Edward Ashton ... The findings, ratified on Tuesday by the International Astronomical Union, come after a ...