X-Ray Astronomy
Moonlight Is a Many-Splendored Thing
"By the Light of the Silvery Moon" goes the song. But the color and appearance of the Moon depends upon the particular set…
End the Year with a Bang! See a Bright Supernova in Virgo
A 14th magnitude supernova discovered in the spiral galaxy NGC 4666 earlier this month has recently brightened to 11th magnitude, making…
New Signal May Be Evidence of Dark Matter, Say Researchers
Dark matter is the architect of large-scale cosmic structure and the engine behind proper rotation of galaxies. It's an indispensable part…
Just in Time for the Holidays – Galactic Encounter Puts on Stunning Display
At this time of year, festive displays of light are to be expected. This tradition has clearly not been lost…
Nearby Galaxy Holds First Ultraluminous X-Ray Source that is a Pulsar
A research team led by Caltech astronomers of Pasadena California have discovered an ultraluminous X-ray (ULX) source that is pulsating. Their…
Intriguing X-Ray Signal Might be Dark Matter Candidate
Could a strange X-ray signal coming from the Perseus galaxy cluster be a hint of the elusive dark matter in…
Amazing New X-Ray Image of the Whirlpool Galaxy Shows it is Dotted with Black Holes
In any galaxy there are hundreds of X-ray binaries: systems consisting of a black hole capturing and heating material from…
Dense Gas Clouds Blot The View Of Supermassive Black Holes
Gas around supermassive black holes tends to clump into immense clouds, periodically blocking the view of these huge X-ray sources…
Stars Boil Before They Blow Up, Says NuSTAR
Supernovas are some of the most energetic and powerful events in the observable Universe. Briefly outshining entire galaxies, they are…
New Findings from NuSTAR: A New X-Ray View of the “Hand of God” and More
One star player in this week’s findings out of the 223rd meeting of the American Astronomical Society has been the…