
Over a thousand cosmic explosions traced to mysterious repeating fast radio burst
CNN
An outburst of explosions have been traced back to a mysterious repeating fast radio burst in space called FRB 121102. Using China's Five-hundred-meter Aperture Spherical radio Telescope, or FAST, researchers detected 1,652 bursts over the course of 47 days.
Using China's Five-hundred-meter Aperture Spherical radio Telescope, or FAST, researchers detected 1,652 bursts over the course of 47 days, between August 29 and October 29, 2019. This is the largest set of fast radio burst events so far.

On Wednesday, the Department of Homeland Security posted a striking graphic on its official X account. Uncle Sam, a symbol of American patriotism, is depicted nailing a poster to a wall that reads, “Help your country… and yourself.” Written underneath the poster is the sentence, “REPORT ALL FOREIGN INVADERS,” and the Immigration and Customs Enforcement hot line.