Where the Wild (Planet)Things Are
New research shows hot Jupiters find safety in numbers. According to radial velocity data, these giant exoplanets are more commonly found around stars in open clusters.
Is there anything out there? A search for the widest separation planets
We know quite a lot about planets orbiting other stars – if they’re closer to their stars than Jupiter is to the Sun. For the region further out than Pluto, we know almost nothing. Is there anything out there?
Massive circumstellar disks accrete faster than low-mass ones
Do predictions from classical disk theory work with state-of-the-art measurements?
Diaries of a Dwarf Planet: What are Those Spots on Ceres?
The first asteroid ever discovered is serving up scientists a new set of firsts. The shiny patches that bespeckle its surface suggest there’s more to Ceres than meets the eye.
The Tale of the Moon and the Earth
The Moon has kept the Earth at a stable orbital tilt for millions of years, preventing dramatic climate cycles and keeping the Earth habitable. But do we fully understand how it formed? Today’s bite provides clues as to how we ended up with our trusted companion.
How cold is Planet X?
Simple physical models can yield useful insights into the structure of planets in the outer Solar System.