Astronomers have confirmed the existence of a companion star in a tight orbit around Betelgeuse, resolving a long-standing mystery about the star’s varying brightness.
A 600-year-old stellar event described in cryptic language finally gets a scientific ID.
Astronomers found an exceptionally rare star system that formed through an elusive cosmic phenomenon.
Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the stuff at scale.
The reliable telescope on a Hawaiian mountaintop is about to get a big upgrade.
The cutting-edge observatory is charged with seeing some of the earliest visible light, and the recent image achieves a new milestone in stellar astronomy.
A stellar binary could explain the red supergiant's pattern of intermittent dimming, but not everyone is convinced.
We take it for granted that all stars eventually die, but a quirk involving dark matter suggests those near the galactic core may last forever.
The brightest gamma-ray burst of all time came from a supernova but mysteriously didn't show signs of heavy elements.
The rumblings of the motor vehicle apparently resembled that of a fireball passing through Earth’s atmosphere.
The space observatory’s latest target is one of the youngest known protostellar outflows.
Astronomers argue that a recent study forecasting a relatively imminent stellar explosion misses the mark.
According to a new paper, a perplexing interstellar object was just a comet sweating hydrogen.
The finding suggests Earth’s water predates the solar system.
The binary system will end in a massive, gold-forming explosion.
Six spikes in Earth’s radiation levels, recorded in tree rings, may represent an unknown extreme astrophysical event.
Astronomers say this extra-fluffy planet swings around its star once every three and a half days.
One of the most iconic stars in the sky, Betelgeuse, may have changed color over the last 2,000 years.
The flying observatory expanded what we know about astrophysics and planetary science, but NASA could no longer justify the project.
The rare objects may be the result of unusual stellar mergers.
