The Habitable zone Planet Finder continues advancing the field of exoplanets! See below for a round-up of recent updates:

Astronomers Disprove Planet Orbiting Nearby Barnard’s Star

https://mcdonaldobservatory.org/news/releases/20210518

A very stealthy alias: the impostor planet of Barnard’s star

https://hpf.psu.edu/2021/05/06/wavelength-dependent-behavior-of-the-hpf-fabry-perot/