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Tony Stark actor Robert Downey Jr., Gwyneth Paltrow, Don Cheadle and more Marvel actors are scheduled to walk the red carpet at the Hollywood premiere of “Iron Man 3″ Wednesday evening. Hero Complex readers can watch the premiere live, streamed from Disney’s El Capitan Theatre in Hollywood at 6 p.m. PDT, in the video below. The film, which opens in theaters May 3, pits Downey’s genius billionaire superhero against the Mandarin (Ben Kingsley) — one of the archvillains in the Iron Man comic books — and introduces several comic characters to the big screen for the first time, among them brilliant biologist Dr. Maya Hansen (played by Rebecca Hall) and Aldrich Killian (Guy Pearce), the founder of the brain-trust organization AIM. “Iron Man 3″ is directed by Shane Black (“Kiss Kiss Bang Bang”), who takes the reins from “Iron Man” […]

Watch asteroid 2012 DA14 come closer to Earth than any other asteroid of its size on record. The asteroid is about half the size of a football field with a diameter of 150 feet.  At its closest approach to our planet, on Friday at 11:25 a.m. PST, it will be just 17,150 miles above the Earth’s surface – putting it closer to Earth than the moon, and many communications satellites. Still, no one will be able to see the asteroid with the naked eye; it is too dim. The  real-time and near real-time imagery of the asteroid in the NASA Ustream above is provided by observatories in Australia. NASA will stream imagery of the asteroid from observatories in the U.S. later in the day, but the agency will have to wait until it is dark enough for their telescopes to […]