Many congratulations to Drs Elena Cukanovaite, James Gott and Samuele Ferracin, for their success in the 2021 PhD Thesis Prize competition, awarded to students completing their doctoral work in 2020. Elena won the Winton Prize for Astrophysics, James was awarded the Springer Thesis Prize, while Samuele is the recipient of the Faculty of Science and Department of Physics Thesis prize. Read on for more details about the prizes and their research.