2022 — Astronomers may now understand why the similar planets Uranus and Neptune are different colors. Researchers have now developed a single atmospheric model that matches observations of both ...

New observational data from the James Webb Space Telescope and simulation models have confirmed ... between Earth and Neptune. Astronomers have debated whether these planets are Earth-like rocky ...

Although humans have only ever sent one spacecraft (Voyager 2) toward these far-flung worlds, scientists have a pretty good ...