A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...

Astronomers have discovered a previously hidden "cosmic fuel tank" in an infant cluster of forming galaxies. This vast reservoir of cool molecular gas is found in the protocluster known as SPT2349-56, ...

Stars are the architects of nearly all the chemical elements in the universe, including ones crucial to life as we know it, such as carbon and oxygen. Yet, despite decades of research, aspects of star ...