neutron stars

This image from NASA’s James Webb Space Telescope NIRCam (Near-Infrared Camera) instrument highlights Gamma-Ray Burst (GRB) 230307A and its associated kilonova, as well as its former home galaxy, among their local environment of other galaxies and foreground stars

NASA’s Webb Telescope Captures Second-Brightest Gamma-Ray Burst Ever SeenOctober 27, 2023

Illustration of the two methods used to measure the expansion of the Universe

Planets & Stars

Exploring the Expanding Universe: Crashing Neutron Stars May Resolve ‘Hubble Trouble’October 2, 2023

A disk of hot gas swirls around a black hole in this illustration.

Cosmic Phenomena

Astronomers discover one of the most dramatic ‘switches on’ of a black hole ever seenSeptember 20, 2023

Black widow pulsar

Planets & Stars

Record-setting neutron star is ‘black widow’ eating its mateJuly 28, 2022