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…
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…
This star orbiting a black hole has a composition that surprises scientists
Many stars are present in the universe, and they also have various characteristics. But recently, astronomers have studied…
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…
Astronomers Stunned by Strange Supernova Stripped to Its Core
An illustration of the ‘extremely stripped’ supernova 2021yfj. Credit: Keck Observatory / Adam Makarenko A companion star may…