It’s bigger than a rocky planet, but not big enough to be a gas giant. Researchers classify it as a “sub-Neptune” and think that many such planets exist in our galaxies. But we don’t have ...

Because Uranus and Neptune are so far away, scientists only have educated guesses about the combination of ices and gases ...

Feb. 2, 2024 — Astronomers have shown new atmospheric detail in a set of 15 exoplanets similar to Neptune. While none could support humanity, a better understanding of their behavior might help ...