Gamma Ray Bursts
Update: Possible ‘Nearby’ Gamma Ray Burst Alert Was False Alarm
Following the late night news yesterday of a possible gamma ray burst in our next door neighboring galaxy Andromeda, it…
Possible Gamma Ray Burst Detected in Andromeda, Would be Closest Ever Observed
Update (5/28/14 9:20 am EDT): This alert may have been a false alarm. Further analysis showed the initial brightness was…
Surprise Gamma-Ray Burst Behaves Differently Than Expected
Roughly once a day the sky is lit up by a mysterious torrent of energy. These events — known as gamma-ray…
Could This Be The Signal Of Dark Matter? Unsure Scientists Checking This Out
Sometimes a strange signal comes from the dark and it takes a while to figure out what that signal means.…
Gravitational Lens Seen for the First Time in Gamma Rays
An exciting new discovery was unveiled early this week at the 223rd meeting of the American Astronomical Society being held…
ALMA Peers Into Giant Black Hole Jets
Did you ever wonder what it would be like to observe what happens to a galaxy near a black hole?…
GRB Lights Up Ancient Hidden Galaxy
Once upon a time, more than 12.7 billion years ago, a star was poised on the edge of extinction. It…
What’s A Kilonova? You’re Looking At It!
As astute readers of Universe Today, you likely know what a supernova is: a stellar explosion that signals the end…
Navy Researchers Put Dark Lightning to the SWORD
Discovered "by accident" by NASA's Fermi Gamma-ray Space Telescope in 2010, dark lightning is a surprisingly powerful -- yet invisible…
How Much Light Has The Universe Created Since the Big Bang?
The universe, most cosmologists tell us, began with a bang. At some point, the lights turned on. How much light…