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.…
NASA’S Webb Telescope Captures Detailed View Of Lion Nebula, Revealing Its Dying Star
A new view of the Lion Nebula has revealed more details about its striking shape and the dying…
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…
Aerosols and hydrocarbons in the atmosphere of a white dwarf planet
Data reduction Our PRISM observation used 33 groups across 240 integrations, with each integration lasting 29.8 s, for a…
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…
NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster
Astronomers have revolutionized our understanding of a collection of stars in the northern sky called the Pleiades. They…
Betelgeuse’s Newfound Companion Star Keeps Breaking Astronomy Rules
A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion star. Since then, researchers…
Primeval Star May Be the Most ‘Pristine’ Object Ever Discovered in the Universe
Stars are the original nuclear fusion reactors. As it evolves, a star continuously fuses hydrogen, helium, and—if it…