Oscars reunite Rob Reiner supergroup of 17 stars for emotional tribute: Here's who appeared on stage

Emotions ran high during Sunday night's Oscars, as Meg Ryan, Billy Crystal, Demi Moore, Kathy Bates, Christopher Guest, and ...
Nature

An exoplanet bonanza and hopes of extraterrestrial life

When the first exoplanet was discovered in 1995, Sara Seager and Dave Charbonneau were graduate students at Harvard. Both were studying topics totally unrelated to planets orbiting distant stars. Yet ...