Erin Brockovich: the real-life unhappy ending of Hinkley, California, and a tale of science for sale

PBS NewsHour's Miles O'Brien travels to Hinkley, CA, the town whose multi-million dollar settlement for groundwater contamination inspired the movie "Erin Brockovich."

We left the moon 40 years ago today. Will we ever return?

It was forty years today (at 22:54:37 UT) that human beings left the moon for the last time. Miles O'Brien remembers Commander Gene Cernan's last words from the moon, lofty, rehearsed and memorized: "as we leave the Moon at Taurus-Littrow, we leave as we came and, God willing, as we shall return: with peace and hope for all mankind."

Geminids Meteor shower: How to watch the big fireworks in the sky tonight

The Geminids Meteor shower is coming! Space reporter Miles O'Brien speaks with's night sky consultant, Mark Armstrong.