Mars may one day get a ring of its own

A team from UC Berkeley is predicting that Photos would be shredded into pieces before it reaches Mars, a process that would result in a ring of debris encircling the planet as is ...

Host Neil DeGrasse Tyson (L) and Seth MacFarlane, executive producer of "Cosmos", participate in Fox Broadcasting Company's part of the Television Critics Association (TCA) Winter 2014 presentations in Pasadena, California, January 13 , 2014. REUTERS/Kevork Djansezian  (UNITED STATES - Tags: ENTERTAINMENT) - RTX17D1T

What you need to know about sex in space

Bring plenty of leather belts. That is the advice from astrophysicist and pop scientist Neil DeGrasse Tyson for anyone hoping to have sex in space. Responding to a fan question on ...