gamma ray burst

A Giant Gamma-Ray Bubble is a Source of Extreme Cosmic Rays

Gamma-ray bursts (GRBs) are one of the most powerful phenomena in the Universe and something that astronomers have been studying…

3 months ago

Watch 14 Years of Gamma-Ray Observations in This Fascinating NASA Video

The Fermi Gamma-ray Space Telescope, named in honor of noted physicist Enrico Fermi, has been in operation for almost a…

5 months ago

What’s the Link Between Gamma Ray Bursts and Supernovae? It Might Be Binary Stars

Gamma-ray bursts (GRBs) are some of the most violent events in the universe. Some have a power output equivalent to…

8 months ago

A new Hubble Image Reveals a Shredded Star in a Nearby Galaxy

The Hubble Space Telescope, to which we owe our current estimates for the age of the universe and the first…

1 year ago

The Gamow Explorer Would be a new Gamma-ray Observatory to Search for the First Stars in the Universe… as They Explode

Gamma rays are useful for more than just turning unassuming scientists into green-skinned behemoths.  They can also shine a light…

2 years ago

Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

We’ve now had multiple detections of gravitational waves, opening up a whole new field: gravitational astronomy. We talk about the…

7 years ago

What Are Multiple Star Systems?

Not all stars are alone. Some come in pairs and more. And when there are multiple stars in a system,…

7 years ago

How Do Supernovae Fail?

You know what’s scarier than a supernova? A supernova that fails, imploding into a black hole, vanishing from the Universe.

8 years ago

Are Gamma Ray Bursts Dangerous?

Gamma ray bursts are the most energetic explosions in the Universe, outshining the rest of their entire galaxy for a…

9 years ago

Gamma Ray Bursts Limit The Habitability of Certain Galaxies, Says Study

Gamma ray bursts (GRBs) are some of the brightest, most dramatic events in the Universe. These cosmic tempests are characterized…

9 years ago