The existence of a quasar when the universe was only 670 million years old is helping astronomers understand how black holes are born.
Astronomers have found an Earth-size (but not at all Earth-like) planet around an ancient star that has a nice high view of our galaxy.
Duos of supermassive black holes tangoing throughout the universe make their own music, and astronomers may have picked up a hint of the tune.
This has been a year rocked by a global pandemic that has left its mark on nearly every aspect of society. Wildfires, social unrest, and loss have only added to our sense of struggle. Yet it has also been a year of celestial wonders, astronomical discoveries, and space successes. We…
Thousands of stars that once belonged to an ancient galaxy are inside our own.
The iconic Arecibo telescope, damaged by two cable failures within three months, is beyond repair.
Astronomers have reconstructed the Milky Way's merger history, finding that our galaxy has absorbed five large satellite galaxies in the last 12 billion years.
In-depth analysis of a flash of radio waves coming from a Milky Way magnetar have convinced astronomers: Magnetars produce at least some fast radio bursts.
This week in astronomy news: Distant galaxies that look older than they are and a terrestrial planet that might be drifting through our galaxy.
Astronomers have tallied how star-making material evolved over cosmic time — and they've predicted how long stars will keep forming before the universe goes dark.