Gaia, a mission designed to map stars, has accidentally become a planet hunter. Using precise astrometry, it detected stellar ...

Gaia unexpectedly discovered a giant exoplanet and a puzzling brown dwarf, challenging planetary formation theories and ...

My research involves black holes, cosmology, masers, astrometry, and fundamental physics. I have published papers on molecular masers, the galaxy-massive black hole connection, cosmology, ...

Astrometry tracks star movements to identify gravitational wobbles caused by orbiting planets. AF Lep b is just 23 million years old, making it a very young planet compared to Earth, which is ...