Studying data from the Kepler space telescope, Flatiron Institute researchers found that planetary shrinkage over billions of years likely explains a yearslong mystery: The scarcity of planets roughly ...

Recent research indicates Mercury is shrinking, with its radius decreasing by 2.7 to 5.6 kilometers due to core cooling. This contraction forms thrust faults and scarps on the surface. A new ...

Transits of Venus 1 are among the rarest of predictable astronomical phenomena. They were once of great scientific importance as they were used to gain the first realistic estimates of the size of the ...