Science stories that don't cite their sources are shabby. Here are some links. The Phys. Rev. Lett. articles are paywalled, so I've also linked to the arXiv.

Science stories that don't cite their sources are shabby. Here are some links. The Phys. Rev. Lett. articles are paywalled, so I've also linked to the arXiv. "Test of the Gravitational Redshift with Galileo Satellites in an Eccentric Orbit", by Sven Herrmann et al., https://doi.org/10.1103/PhysRevLett.121.231102 https://doi.org/10.1103/PhysRevLett.121.231102 https://arxiv.org/abs/1812.09161 https://arxiv.org/abs/1812.09161 "Gravitational Redshift Test Using Eccentric Galileo Satellites", by P. Delva et al., https://doi.org/10.1103/PhysRevLett.121.231101 https://doi.org/10.1103/PhysRevLett.121.231101 https://arxiv.org/abs/1812.03711 https://arxiv.org/abs/1812.03711