PBS Space Time, Does Antimatter Create Anti-Gravity?, Season 9, Episode 35

Does antimatter fall down, or does it fall up?

Anti-gravity and the True Nature of Dark Energy, Space Time

Physical cosmology - Wikipedia

Mapping the Multiverse

Scientists get closer to solving mystery of antimatter

PBS Space Time: What If Gravity is Not Quantum?

Anti-Matter and Quantum Relativity

PBS Space Time

PDF) The Complete Guide to Quantum Gravity

Our Antimatter, Mirrored, Time-Reversed Universe

Observation of the effect of gravity on the motion of antimatter

PBS Space Time, What If Our Understanding of Gravity Is Wrong?, Season 7, Episode 35

Does Antimatter Create Anti-Gravity?

Scientists find antimatter is subject to gravity, Gravity