Astronomers Detect a Mysterious Radio Signal Coming From the Direction of a Dead Star—And It Repeats Every 22 Minutes
A long-period radio transient has been discovered 4,000 light-years away, and its behavior does not match any known astr...
Crows Have Been Observed Holding Funerals for Their Dead—And Then Investigating the Cause
New research shows that American crows not only gather around dead flockmates but also perform distinct behaviors suggesting they are trying to understand what killed the bird.