UCL is the lead scientific institute in the ESA-M4 ARIEL mission as well as the Twinkle satellite. 

Artist's impression of ARIEL in space

The ARIEL Space Mission

The ARIEL (Atmospheric Remote-sensing Exoplanet Large-survey) mission was selected by the European Space Agency (ESA) for its next medium-class science mission due for launch in 2028.

Artist's impression of the Twinkle satellite

The Twinkle Space Mission

The Twinkle Space Mission will deliver broader access to high-quality infrared spectroscopy for the characterisation of exoplanet atmospheres and solar system objects. Scientists worldwide can secure rapid access to telescope time through Twinkle’s unique service-based model.