observed; the previous record-holder was a burst in 1997 that was followed with the VLA for a period of 445 days. “The afterglow of the burst kept getting fainter with time, but we then noticed that ...

Although scientists have believed for some time that most gamma-ray bursts are very distant, a Goddard scientist has discovered 100 of them that are quite “local,” within 325 million light years from ...

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

Roughly a year ago, astronomers announced that they had observed an object that shouldn’t exist. Like a pulsar, it emitted regularly timed bursts of radio emissions. But unlike a pulsar, those bursts ...

Astronomers have conducted multiwavelength observations of a recently detected fast X-ray transient designated EP241107a.

Astronomy has a way of surprising you. When you believe the universe has yielded its biggest secrets, distant giants and faint signals come along to pose even more questions. Two recent discoveries ...

Osaka, Japan – Lightning is a phenomenon that has fascinated humanity since time immemorial, providing a stark example of the power and unpredictability of the natural world. Although the study of ...

It’s a recurring theme in astronomy: observers see a blast of energy out in the cosmos, scratch their heads in confusion for a while, and finally uncover the existence of something entirely surprising ...

The fascinating patterns of 35 repeating fast radio bursts (FRBs) reveal new properties of these mysterious blasts of deep-space radiation that appear and disappear in milliseconds. When you purchase ...