Astronomers have known for a long time that Neptune’s surface occasionally becomes dotted with dark spots. These large discolorations in its atmosphere can be linked to high pressure areas ...

Then, in 1994, the Hubble telescope caught sight of another spot. "Neptune's dark vortices have exhibited surprising diversity over the years, in terms of size, shape, and stability (they meander ...

Scientists have discovered a sub-Neptune exoplanet, GI 410 b, using the radial velocity technique. It orbits a nearby star 39 light years from Earth and has a mass 8.5 times that of our planet. The ...