Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution? This is what a recent study published in The Astrophysical Journal Letters ...

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational beat in a never-before-seen rhythm. It’s the first of its kind, orbiting the ...

“I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller planets,” said University of Maryland astronomer Eliza Kempton regarding some ...