Poor PlutoPluto Stopped Being a Planet. Now Its Atmosphere Is DisappearingAs it moves away from the sun, Pluto’s atmosphere is beginning to disappear, and refreeze onto its surface.
Planetary CannibalismA Third of All Sun‑Like Stars Have Devoured Their Planets, Shows ResearchNow, researchers can identify stars “less likely to host Earth-like planets, which could be useful as a criterion for planet searches.”