In the most extensive ultraviolet study of blue stragglers ever performed, an international research team used NASA's and ESA ...

Some stars appear to defy time itself. Nestled within ancient star clusters, they shine bluer and brighter than their neighbors, looking far younger than their true age. Known as blue straggler stars, ...

New insights are emerging into one of astronomy’s most perplexing signals. An international research team led in part by ...

An international team of astronomers, including researchers from the Department of Physics at The University of Hong Kong ...

Astronomers have found compelling evidence that at least some fast radio bursts originate from stars in binary systems rather ...

2025 marked the first official year of our newest citizen science effort, Satellite Surveillance, which delivered major ...

For about three years now, scientists have been anticipating a nova explosion. Specifically, the explosion of the binary star ...

From September 2024 to May 2025, a Sun-like star designated J0705+0612 became 40 times dimmer. Researchers describe the ...

Artist's impression illustrating a binary-origin scenario for fast radio bursts. A magnetised plasma cloud, generated by a ...

NASA’s Hubble Space Telescope captures visible and infrared images of protoplanetary disks, showing gas and dust structures ...

A research team has successfully imaged a nova in high resolution—and the images suggest that the nova was not a single, impulsive explosion. A nova is an astronomical phenomenon that occurs in a ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.