The Event Horizon Telescope reaches again for a glimpse of the “unseeable.”
A new radio-wave image of the center of our galaxy reveals all the forms of frenzy that a hundred million or so stars can get up to.
At the edge of a vast region devoid of gas and dust, scientists find an explanation for “how all nearby star formation began.”
The International Dark-Sky Association awards certifications to sites with exceptionally high-quality night skies, including national parks, sanctuaries and reserves.
Cygnus X-1, one of the first identified black holes, is much weightier than expected, raising new questions about how such objects form.
A new analysis of data from NASA’s Kepler spacecraft increases the number of habitable exoplanets thought to exist in this galaxy.
“The Uranus jokes never end,” an astronomer said.
Astronomers have discovered a vast assemblage of galaxies hidden behind our own, in the “zone of avoidance.”
A vast wheel of gas in the primordial cosmos is forcing astronomers to rethink how some of the universe’s largest structures may have formed.
The star-crossed life of Sara Seager, an astrophysicist obsessed with discovering the possibility of other life in the universe.
Astronomers described the strange orbit of a star that loops the monster in the Milky Way, offering more evidence for one of Einstein’s ideas.