Postcards provided proof of lake serpents, jackalopes and assorted curious monsters
March 29, 2012 | By Peter A. Smith
After over 150 years since it was first sighted by the HMS Daedalus, the mysterious creature still eludes scientists
June 22, 2011 | By Brian Switek
Ballerina turned biologist Kristin Laidre gives her all to study the elusive, deep-diving, ice-loving whale known as the "unicorn of the sea"
May 2009 | By Abigail Tucker
April 22, 2009 | By Megan Gambino