milky way
Main Sequence and White Dwarf Binaries are Hiding in Plain Sight
Some binary stars are unusual. They contain a main sequence star like our Sun, while the other is a "dead"…
eROSITA All-Sky Survey Takes the Local Hot Bubble’s Temperature
About half a century ago, astronomers theorized that the Solar System is situated in a low-density hot gas environment. This…
The GALAH Fourth Data Release Provides Vital Data on One Million Stars in the Milky Way.
For the past ten years, Australia’s ARC Centre of Excellence in All Sky Astrophysics in 3 Dimensions (ASTRO 3D) has…
The ESO Releases the Most Detailed Infrared Map of our Galaxy Ever Made
Despite decades of large-scale optical surveys, there are still mysteries about the Milky Way galaxy that astronomers are eager to…
Astronomers Find the Longest Black Hole Jets Ever Seen
Black holes often appear in science fiction movies, largely because elements of their existence are still a mystery. They have…
A Star Was Kicked Out of a Globular Cluster by an Intermediate-Mass Black Hole
Astronomers have solid evidence for the existence of stellar-mass black holes and supermassive black holes. However, evidence for Intermediate Black…
The Milky Way’s Supermassive Black Hole Might Have Formed 9 Billion Years Ago
Large galaxies like ours are hosts to Supermassive Black Holes (SMBHs.) They can be so massive that they resist comprehension,…
Giant Low-Frequency Scan Searches for Aliens in 2,800 Galaxies
The search for extraterrestrial intelligence (SETI) has fascinated us for decades. Now a team of researchers have used the Murchison…
Are Andromeda and the Milky Way Doomed to Collide? Maybe Not
Scientists discovered the Andromeda galaxy, known as M31, hundreds of years ago, and around a century ago, we realized that…
Mapping the Milky Way’s Dark Matter Halo
Anytime astronomers talk of mapping the Milky Way I am always reminded how tricky the study of the Universe can…