The formation of merging black holes via stable mass transfer in massive binary stars
Abac, A. G. et al. GWTC-4.0: an Introduction to version 4.0 of the Gravitational-Wave Transient Catalog. Astrophys. J.…
Stable mass transfer from a substellar object onto an M dwarf
Bellm, E. C. et al. The Zwicky Transient Facility: system overview, performance, and first results. Publ. Astron. Soc.…
Traversing the Galactic Centre in space and time
The organizers of the Galactic Center workshop 2026 (IAU Symposium 405) thank the Grant Agency of the Czech…
The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
After Centuries of Research, Betelgeuse Turns Out to Be Two Stars, Not One
Artistic impression of Betelgeuse and its candidate companion, Betelgeuse B. The smaller blue-white star has been enlarged for…
Hubble finds four hidden stars just 65 light-years from Earth that astronomers could never see before |
Astronomers have directly detected four previously hidden white dwarfs orbiting nearby red dwarf stars, solving a long-standing observational…
Astronomers Detect the Hidden Process That May Trigger Star Birth
The illustration shows ambipolar diffusion in a collapsing prestellar core. Neutral molecules decouple from the magnetic field and…
Evidence for protostellar jets as a population of hadronic gamma-ray sources
Shu, F. H., Adams, F. C. & Lizano, S. Star formation in molecular clouds: observation and theory. Annu.…
Periodic radio and X-ray emission from an accreting white dwarf binary
Hotan, A. W. et al. Australian square kilometre array pathfinder: I. System description. Publ. Astron. Soc. Aust. 38,…
Scientists Discover Two Strange Dead Stars That Defy Astronomical Expectations
Two exotic white dwarf merger remnants have been found to share a striking set of unusual properties, including…
Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars
Gravitational-wave observations of binary black holes have opened a new window onto massive-star evolution1,2,3,4,5, but population inferences remain…
Evidence of the pair-instability gap from black-hole masses
Fowler, W. A. & Hoyle, F. Neutrino processes and pair formation in massive stars and supernovae. Astrophys. J.…