Who Owns The Moon: Can a country really own the mo …1:22
China, Russia, and India are all seeking to send astronauts to the moon. An international treaty says no country owns the moon -- but some worry that we could be headed for a race for lunar supremacy. …
Watch NowLongest Marriages2:01
What lessons can the world’s longest-married couples teach about love? Married 86 years, Herbert and Zelmyra Fisher never argued. Another tip? For a long-lasting marriage, don’t cheat on your spouse.
Watch NowBlack History Month: President Ford endorsed the first …1:37
A lot has changed since the first official Black History Month in 1976. The US sent its first black astronaut into space, named its first black military chief -- and elected its first black president.
Watch NowCelebrity Shrines: Show your celebrity crush in a big …1:38
John Lennon fans gather to pay their respects at the shrine in New York near the spot the ex-Beatle was shot in 1980. From rockers to playwrights, graves often turn into makeshift shrines to fallen ce …
Watch NowThe Winter Blues: Does winter got you down?1:26
Wintertime depression: who gets it, and what can be done to feel better? As many as 10 million American report feeling dejected in winter, but the good news is that some treatments are available.
Watch NowNames of States: How states got their names.1:50
Rhode Island isn’t an island. How did the 50 states get such odd names? Some states, like Georgia, are named for people. Many others took their names from Native American words. And some are just made …
Watch NowBugs That Spread Diseases:Mosquito nets can save l …2:17
Tiny bugs, like mosquitoes and lice, can lead to horrible illnesses. The US has halted the spread of malaria, but it still ravages Africa, and some other bug-borne diseases are on the upswing in the U …
Watch NowSweetest Foods: Put the sugar down.1:23
Why does sugar taste good if it's unhealthy? It's an ancient trait inherited from our caveman ancestors. They needed every precious calorie they could find, but now most people get too much.
Watch NowEndurance: How much can the body really take?1:46
How much cold can human beings endure? The answer might surprise you. One skier survived 80 minutes buried in an icy stream, and a daredevil recently spent almost 2 hours neck-deep in ice cubes.
Watch NowCelebrity Cousins: Madonna has royal blood?1:40
Madonna is related to both Prince Charles and another “royal”: Lady Gaga. Genealogists have traced the bloodlines of celebrities like Hugh Hefner and Alec Baldwin -- and found some unusual connections …
Watch NowYawning: Why do we Yawn?1:32
Why do people yawn? Strangely enough, there’s no settled explanation. Ancient Greeks believed yawns were the soul trying to leave the body. Now some scientists theorize yawns help cool the brain.
Watch NowInaugural Balls: The hottest tickets in Washington …1:59
Invitations to an inaugural ball are the hottest tickets in Washington. The black-tie celebrations are a longstanding presidential tradition, but these days most tickets are handed out way in advance.
Watch NowUnsolved Murders: A True Who Done It!1:35
Who killed Biggie? After 14 years, the cold case has police stumped. Some unsolved crimes have haunted investigators for decades -- including the ultimate cold case, the Jack the Ripper murders of 188 …
Watch NowDiamonds: Are diamonds really that rare?1:30
Sure, diamonds are rare. But some gemstones are even harder to find. There’s only one place to dig up Tanzanite, a blue gem, and only eight known specimens of Musgravite in the world.
Watch NowNear Disasters: The "Miracle on the Hudson" is a great …1:43
The “Miracle on the Hudson” ranks as one of the great aviation feats ever -- a safe emergency landing that saved 155 lives. But it wasn’t just luck -- the pilot credited years of careful training.
Watch NowMost Read Books: The bible is the most published book …1:47
The numbers are in, and “50 Shades of Grey” was the top book of 2012. But the erotic novel is still short of the all-time bestsellers, including the first and still most popular printed book: the Bible. …
Watch NowNFL Classics: Joe Namath's Guarantee is just one of …2:29
The NFL celebrates one of its most memorable games ever on Saturday -- the upset 1968 Super Bowl victory of the Jets over the Colts, one of the classic games that live on as all-time fan favorites.
Watch NowLeast Common Birthdays: What day are most people born …1:40
“Leaplings” people born Feb. 29 have the rarest birthday of all. That’s understandable. But even in non-leap years, why is late fall and winter the least busy time of the year in maternity wards?
Watch NowNamed After US Presidents: A newly discovered lizard …1:45
Scientists have named a newly discovered lizard after President Obama -- just the latest of the zany ways that America’s leaders have been honored -- or maybe it’s mocked? -- over the years.
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