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

Generally speaking, black holes are regions of spacetime where matter is compressed into a tiny space. Dark matter, meanwhile ...

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.

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

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

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

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

T he giant planets of the Solar System have complex interiors that have been difficult to pin down. Inside Uranus and Neptune ...

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

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 ...

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