The findings suggest that while massive black holes are not required to explain observed data, the presence of intermediate-mass black holes remains entirely plausible.

Two University of Arizona faculty members have been awarded prestigious 2026 Guggenheim Fellowships: Award-winning playwright ...

Solar filaments are vast clouds of relatively cool plasma, often stretching across enormous distances, held aloft by complex magnetic fields.

A recent study published in Astronomy & Astrophysics has provided the most accurate measurement of the universe’s expansion rate, a discovery that not only refines our understanding of cosmology but ...

The center of our galaxy is an extreme place. Surrounding the supermassive black hole Sagittarius A*, stars are packed ...

The second annual Landesman Lecture features UC Santa Cruz professor Enrico Ramirez Ruiz in conversation with slam poet ...

For the first time, new theoretical models, published in Astronomy & Astrophysics, connect the magnetism at the surface of ...

A breakthrough experiment has shed new light on one of astrophysics’ biggest mysteries: the origin of rare proton-rich elements. For the first time, scientists directly measured a key reaction that ...

In general, anything larger than 13 times the mass of Jupiter has been deemed a brown dwarf, as these objects should be able ...