There's no evidence for the existence of Planet X, despite a NASA space telescope’s best efforts to track it down.
Europe's powerful new galactic surveying mission, Gaia, has given itself a gentle thruster burn, placing it in a bizarre region of gravitational stability known as Lagrangian Point "L2." Continue reading →
For the first time, an exomoon orbiting a free-floating exoplanet may have been discovered in a microlensing survey.
A "microlensing" survey has revealed a massive planet deep inside the Milky Way's galactic bulge. Continue reading →