1. The Hawking energy on photon surfaces

   • Ingemar Bengtsson

   Research Article Open access 25 May 2020 Article: 52

2. Superstrata

   • Masaki Shigemori

   Editor’s Choice (Invited Review: State of the Field) 25 May 2020 Article: 51

   

3. Joule–Thomson expansion of the Bardeen-AdS black holes

   • Cong Li
   • Pengzhang He
   • Jian-Bo Deng

   Research Article 23 May 2020 Article: 50

   

4. Quasi-Keplerian motion under the generally parameterized post-Newtonian force

   • Bo Yang
   • Wenbin Lin

   Research Article 13 May 2020 Article: 49

   

5. On the future of solutions to the massless Einstein–Vlasov system in a Bianchi I cosmology

   • Ho Lee
   • Ernesto Nungesser
   • Paul Tod

   Research Article 13 May 2020 Article: 48

6. Electrically charged strange quark stars with anisotropic matter: exact analytical solution

   • Grigoris Panotopoulos
   • Ilídio Lopes

   Research Article 12 May 2020 Article: 47

   

7. A scalar field inducing a non-metrical contribution to gravitational acceleration and a compatible add-on to light deflection

   • Erhard Scholz

   Research Article Open access 07 May 2020 Article: 46

   

8. The rotation problem

   • R. Michael Jones

   Research Article 06 May 2020 Article: 45

9. Using a non-minimal coupling between matter and curvature to sequester the cosmological constant

   • O. Bertolami
   • J. Páramos

   Research Article 05 May 2020 Article: 44

10. Centrifugally driven relativistic particles: general treatment and new solutions

    • Giorgi Khomeriki
    • Andria Rogava

    Research Article 30 April 2020 Article: 43