What Are Starspots Like on Sun-like Stars?
There are a lot of Sun-like stars in the universe. Are they as identical as the name suggests, or are there important differences between them?
Astrophysical Classics: Evidence for Europa’s Subsurface Ocean
Let’s take a trip back to 1979 to check out the first signs of an ocean hidden deep beneath Europa’s icy shell.
SETI on the Side: Seeking Dyson Spheres with Gaia
Could Gaia’s immense catalog of stellar positions help us find extraterrestrial intelligence?
Dating the Evaporation of Globular Clusters
Globular clusters in the Milky Way are shedding their stars. How can we tell when this process began?
Antineutrinos, Left-Handed Molecules, and You
Earth life has a definite preference for particular kinds of molecules. Where did life get its taste for left-handed amino acids?