Planets form from protoplanetary disks. How they can be heavier on average than the disks is questioning our theories of planet formation.
Can the properties of a known planet system predict if that system has additional undetected planets?
How does water ice survive on Ceres when it has no atmosphere? Find out in today’s astrobite.
Transiting exoplanets generally orbit in the same plane, so how is this planet so misaligned in this multi-planet system?
NASA’s TESS spacecraft has launched! Today’s paper predicts how many exoplanets it will find.