Astronomers spot bright flashes from a mysterious new class of cosmic object

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from Earth, according to a new study.

​ Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from Earth, according to a new study. Read More Breaking News, Latest News and Videos | CNN