Astronomy
The Mystery of Fast Radio Bursts from Deep Space
Quick fact
The first FRB was discovered in 2007 in archival data from the Parkes Observatory, and only a tiny fraction (about 5%) of known FRBs have been observed to repeat.
Why this is interesting
Imagine a brief flash of radio energy that releases more power in a millisecond than our Sun emits in a year—and we still don't know what causes it.