Angelina Jolie revealed this week that she decided to get a double mastectomy after taking a genetic test - a test that only one company in the U.S. can offer.
And that monopoly has created a controversy that's gone all the way to the Supreme Court.
CNN's Poppy Harlow is Outfront with the story.
Right now, 300 celebrations in more than 50 different countries on every continent are happening. Why?
On this day in 1961 – 52 years ago – Soviet cosmonaut Yuri Gagarin became the first person in space when he spent 108 minutes orbiting the Earth.
It paved the way for all of the rockets and shuttles and space stations that have come since, and every year since 2001, thousands of people around the world gather to celebrate his flight – on Yuri's Night. FULL POST
A researcher says monkey chatter sounds like human speech. Erin Burnett reports.
Can a man and woman actually get to Mars by 2018?
Dennis Tito, an American engineer, multi-millionaire and the world's first space tourist says yes and is putting his money where his mouth is. According to Tito, on January 5, 2018, the planets will be perfectly aligned in such a way that a manned mission to Mars is possible.
“I will not be one of the crew members. And if I were 30 years younger, I still would not be,” Tito said at his press conference.
He plans to team up with his non-profit the Inspiration Mars Foundation and will launch "A Mission for America," a two person crew on a historic journey to the red planet.
Group aims to send 2 humans on Mars mission in 2018
Tito is no stranger to space travel, in 2001, he hitched a ride with the Russians and spend almost 8 days on the International Space Station, orbiting the Earth 128 times. Tito became the first tourist to privately fund a trip to space.
OutFront Tonight: Erin Burnett interviews Dennis Tito about his latest venture to send two human beings to Mars.
Tune to Erin Burnett OutFront on CNN.
Follow us on Twitter: @OutFrontCNN
Follow Erin Burnett on Twitter: @ErinBurnett FULL POST
Physicist Michio Kaku says an asteroid powerful enough to destroy nations is on a collision course with earth.
A much smaller one exploded just above Russia last week - its power was equal to 20 Hiroshima bombs.
Kaku says the nation-busting asteroid headed our way won't arrive until 2036, but it could make a direct hit with 1000 times more power - that's 20,000 Hiroshima bombs.
OutFront tonight: Bill Nye "The Science Guy" and former astronaut Rusty Schweickart.
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