An artist’s rendition of colliding planets, the most likely explanation for the warm dust observed around HD 131488. Image credit: Lynette Cook for Gemini Observatory/AURA Five-hundred light years away, worlds are colliding, and they’re made of nothing we’ve ever seen. Last week at the 215th American Astronomical Society meeting, UCLA astronomers announced that they had … Continue reading Mysterious Alien Dust Hints at Violent Planet Formation