Dani Leviss • January 15, 2019
Science is likely a long way from discovering life beyond Earth, but a decades-old equation can help us think about how to look — or possibly lead us astray
Dan Robitzski • October 17, 2016
The Universe is probably devoid of life, but experts say we may never be sure
Sandy Ong • January 11, 2016
Something 20 times Jupiter's size may be orbiting a nearby star
Miriam Kramer • November 30, 2011
Dale Andersen, a researcher at the SETI Institute, discusses everything from microbes in Antarctica to intelligent extraterrestrials.
Rose Eveleth • July 22, 2011
Listen to recordings collected by NASA's spacecraft
Sarah Fecht • March 4, 2011
Scientists begin the search for DNA on Mars
Joseph Castro • December 14, 2010
SETI has come a long way over the years, but is the search really important?