Science news articles about 'UPI Planets'

BALTIMORE, April 11 (UPI) -- Planets near stars cooler than Earth's sun may lack the material to produce life, say scientists at Johns Hopkins University in Baltimore.

TUCSON, March 19 (UPI) -- Planets forming around stars tend to pile up at certain distances, creating some crowded orbits while other regions remain empty, U.S. astronomers say.

EVANSTON, Ill., Jan. 7 (UPI) -- Planets around widely spaced binary stars are susceptible to violent disruptions, more so than if the stars were closer to each other, U.S. researchers say.