New multi-object spectrograph planned for the 4.2m William Herschell Telescope (WHT) located in the Observatorio del Roque de los Muchachos, on La Palma island.

QUIJOTE (Q-U-I JOint TEnerife CMB experiment) - is a program with two telescopes and a battery of instruments, installed in the Teide Observatory, dedicated to the characterization of the polarization of the Cosmic Microwave Background, in the frequency range 10-42 GHz.

The CTAO is an initiative which is planning the construction of a new generation of Cherenkov Telescopes to study the universe in very high energy gamma-rays. Gamma-rays carry information about the most violent and extreme events in the universe.