Methanol spotted around a hot, young star probably originated in interstellar space, suggesting some chemistry for life may start before stars form.
Fourteen celestial sources of gamma rays provide preliminary hints of matter colliding with “antistars” in our galaxy.
The first comprehensive analysis of the celestial specks indicates they are clusters of infant stars of various masses.
NASA’s NICER X-ray telescope finds that the most massive known neutron star has an unexpectedly large diameter.
The newly discovered galaxy may have once been home to stars more than 300 times as massive as the sun — a peek at conditions in the early universe.
Uranium crystals that settle in the cores of white dwarfs could trigger nuclear chain reactions that blow the dead stars apart, a new study suggests.
Distances between stars, their brightnesses and patterns of human eye movement explain why particular sets of stars tend to be grouped together.
The unusual pattern of radio waves dubbed the USS Jellyfish tells a story of intergalactic gas meeting black hole by-products.
A new analysis of Event Horizon Telescope data from 2017 brings to light the magnetic fields twisted around the black hole at the core of galaxy M87.
Two types of polycyclic aromatic hydrocarbons in the Taurus Molecular Cloud are far more abundant than predicted.