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Elon Musk reveals grand plan to colonize Mars​

SpaceX CEO Elon Musk ​unveils his ambitious plan to inhabit Mars and shows a concept video of the interplanetary transport system he's designing for the mission.

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CraveCast can't wait to crew a Mars mission with Elon Musk

The SpaceX CEO has announced his plan to make humans a multi-planetary species. Who will be the first to volunteer among us? The crew discusses our Martian future. Join us at 3 p.m. PT today.

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Elon Musk unveils epic SpaceX plan to colonize Mars

The SpaceX CEO says in case of a doomsday event, we need to be prepared to go to Mars. Why Mars? It's better than the "hot acid bath" of Venus, he says.

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The fastest a human can bicycle is now 89.59 mph

Just so long as they're riding AeroVelo's weird-looking, record-breaking Eta bike.

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Robotic tumbleweeds will explore the galaxy for us

Because what would a frontier be like without 'em?

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Wee Mercury is getting even smaller

The solar system's smallest planet is still tectonically active.

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<p>Mawrth Vallis is one of the biggest valleys on the Red Planet.</p>

Gorgeous Mars valley was 'once a potentially habitable place'

See a fresh view of the ancient Mars valley that intrigues scientists and could be the landing site for a new Mars mission.

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Stargazing on an old cowboy trail (pictures)

Welcome to the darkness of Datil, New Mexico, a remote town bordered by a radio observatory and topped by a nighttime light show of spectacular stars.

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Seeing stars: My magical weekend in a dark, dark place

A camping trip turns into an unexpectedly celestial weekend of Milky Way-soaked stargazing in a place with very little light pollution.

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Water plumes could be making it rain on Jupiter moon Europa

NASA's Hubble telescope may have spotted water plumes. That could make it much easier to sample Europa's supposed subsurface ocean, where we just might find the building blocks for life.

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<p>The Magic Kingdom Park's Big Thunder Mountain Railroad is currently closed for upgrade, due to reopen in November.</p>

Researchers put urine in a backpack, ride roller coaster for science

Weeeeee!!! Scientists test their theory that riding a roller coaster can help dislodge kidney stones.

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<p>Elon Musk hopes to take humans to Mars by 2024.</p>

SpaceX's humans-to-Mars rocket gets fired up

The Raptor rocket gets an inaugural test firing ahead of a speech in which Elon Musk will outline his plan to colonize the Red Planet.

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THIS SMART IRON COST $1000

How much do you hate wrinkled clothes?

A Swedish company known for its high-end ironing systems will soon begin to sell a smart iron that costs more than $1,000.