Atom & Cosmos

Buckyballs in space, plus planets and solar siblings in this week's news

Cloudy planets Some extrasolar planets heavier than about two Jupiters may have much thicker, cloudier atmospheres than predicted. Accounting for those cloudier atmospheres may alter the estimated masses of extrasolar planets. Thayne Currie of NASA’s Goddard Space Flight Center in Greenbelt, Md.,