Sciencefromwww.scientificamerican.com1 day agoAlien Comets Swarm around Other StarsComets are icy bodies that release gas and dust when warmed, forming fuzzy heads and tails, and exocomets have been detected around other stars.
SciencefromNature2 weeks agoA host of 'exocomets' swarms a distant starTwenty-four unseen comet-like bodies are orbiting RZ Piscium, inferred from repeated starlight dimming events.