Yeomans

Astronomers figure there are about 50,000 asteroids and comets larger than 300 feet in diameter and they only know where fewer than 1 percent of them are, Yeomans said.

NASA's Next Mission: Send Astronauts To Asteroid 2011

Every 100 million years or so an asteroid 6 miles wide – the type that killed off the dinosaurs_ smacks Earth, said NASA Near Earth Object program manager Donald Yeomans.

NASA's Next Mission: Send Astronauts To Asteroid 2011

"I don't know what Anna Wintour's plans are," says Yeomans.

London fashion week losing out to rivals as catwalk season gets under way 2011

But that chance is just 1-in-250,000, Yeomans added.

NASA: Asteroid 'Could' Hit Earth In 2036 Craig Kanalley 2011

But that chance is just 1-in-250,000, Yeomans added.

NASA: Asteroid 'Could' Hit Earth In 2036 Craig Kanalley 2011

Lucy Yeomans, editor of Harper's Bazaar, says: There are some potentially big names looking at coming back in the next few years.

London fashion week losing out to rivals as catwalk season gets under way 2011

Every 100 million years or so an asteroid 6 miles wide — the type that killed off the dinosaurs— smacks Earth, said NASA Near Earth Object program manager Donald Yeomans.

Daunting space task: Send astronauts to asteroid 2011

Astronomers figure there are about 50,000 asteroids and comets larger than 300 feet in diameter and they only know where fewer than 1 percent of them are, Yeomans said.

Daunting space task: Send astronauts to asteroid 2011

Yeomans says: American editors tend to come once a year or once every two or three seasons, and that brings an injection of excitement.

London fashion week losing out to rivals as catwalk season gets under way 2011

But that chance is just 1-in-250,000, Yeomans added.

Apophis Asteroid Could Hit Earth In 2036, Scientists Say (VIDEO) Craig Kanalley 2011