Having spent years reporting on the War on Drugs, Lisa Ling offers her perspective on marijuana.
Cataracts have blinded Lake, a sweet retriever mix. Dr. Patti hopes surgery will help restore at least some of her sight.
If a sex worker services a disabled person, does it reverse the taboo?
After an expensive restoration, it's time to put the Amphicar to the test - drive it right into the water!
There are lots and lots of guns in the United States, and this is one place to get them.
A group of illegal immigrants is abandoned in the desert by suspected human smugglers.
While the U.S. routinely locks up citizens for possession of marijuana, Canada takes a different approach.
Stronger, purer and easier than ever to get, heroin is attracting millions of new mainstream users.
Dr. Neil deGrasse Tyson of the Hayden Planetarium talks about the possibilities of their being other forms of life in our universe.
Veteran NBC Space correspondent Jay Barbree discusses his book, "Live From Cape Canaveral," charting his 50 years of covering space exploration, beginning with Sputnik in 1957.
On its way to Jupiter in 1992, NASA's Galileo space probe circles the Moon, sending back close-up images of the lunar surface; the new pictures provide more data on the Moon's geologic features and chemical composition.
In this Special Message to Congress, John F. Kennedy declares, "I believe that this nation should commit itself to achieving the goal before this decade is out, of landing a man on the moon, and returning him safely to the Earth."
In 1994, NASA's Clementine spacecraft orbits the Moon more than 300 times, sending back stunning images of the lunar surface, before heading out to the asteroid Geographos.
NBC's Roy Neil remembers Wernher Von Braun, a German engineer who built terror rockets for Hitler and then helped lead the United States to its leadership in space.
A full Moon has long been thought to effect human behavior, but in 1982, there is still a lack of scientific evidence and professional research to support "lunatic" theories.