Cosmology with the Cosmic Microwave Background: Latest Results from the PLANCK satellite and the QUIJOTE experiment

This talk presents an overview of the recent results derived from the observations of the ESA's Planck mission and the QUIJOTE experiment. The Planck 2018 cosmological results correspond to the third (and final) data release from the Planck collaboration. Several improvements in the calibration, the treatment of the polarization data and systematic effects lead to more robust constraints on many parameters. As in previous releases, the base six-parameter CDM model provides an excellent description to the data. I briefly discuss some parameter extensions and the remaining tensions in the data. I also review the current status and first results of the QUIJOTE (Q-U-I JOint TEnerife) experiment, a project with the aim of characterizing the CMB polarization and other Galactic or extragalactic physical processes that emit in microwaves in the frequency range 10-42 GHz, and at large angular scales (around one degree resolution).