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In this time-lapse image from the ESA/NASA Solar and Heliospheric Observatory, Comet ISON comes in from the bottom right and moves out toward the upper right, getting fainter and fainter. 
At one point, scientists had <a href="" >hoped it would survive its close encounter with the sun</a> and put on a spectacular show for Earth during the first weeks of December as it continued streaking through the sky. But alas, ISON appears to have burned up in the sun's extreme heat, and <a href="" >a top ISON watcher has declared the comet DOA</a>.

Pictures of the Week (slideshow)

Amazon pitches delivery drones, SpaceX launches successfully to space, Cassini captures an incredible six-sided storm, and more in the best tech pictures of the week.

On November 20, 1998, when some of us were adjusting to life in a college dorm, the first part of the International Space Station launched from Kazakhstan atop a Russian Proton rocket. Astronauts aboard the space shuttle Endeavour would connect a second module two weeks later, beginning a multiyear construction process for one of the largest and most complex projects ever requiring broad international cooperation. Full assembly of the ISS was finally completed in 2011. In its first 15 years, more than 1,500 science experiments have been conducted at the ISS, with 68 partnering countries and astronauts representing 15 nations making 139 flights to the station.

Milestone moments from 15 years of the ISS (pictures)

The first piece of the International Space Station launched from Kazakhstan on this day in 1998. Here are some milestones from its first 15 years in orbit.

<p>Technology's richest can't seem to stay away from wacky desires -- to live forever, to colonize other planets, to recreate the plot line of "Deep Impact," minus the apocalypse. Here's a quick tour of some of the most <a href="">far-out pet projects of the tech billionaires club</a>.</p>

<p> Tesla Motors and SpaceX CEO Elon Musk isn't content with being a real-life inspiration for "Iron Man's" Tony Stark. No, he'd like to expand from superhero to secret agent, specifically James Bond. So he purchased a <a href="" >Lotus Esprit submarine from the 1979 film</a>, "The Spy Who Loved Me," for $1 million at auction. He hopes to infuse it with some Tesla magic and a dash of millionaire mad genius. 

"It was amazing as a little kid in South Africa to watch James Bond in 'The Spy Who Loved Me' drive his Lotus Esprit off a pier, press a button, and have it transform into a submarine underwater. I was disappointed to learn that it can't actually transform," Musk said. "What I'm going to do is upgrade it with a Tesla electric powertrain and try to make it transform for real."

Tech billionaires chase their wildest dreams (pictures)

Given the wealth concentrated in Silicon Valley, it's no surprise that tech CEOs and founders put their money toward the seemingly impossible, on land, on sea, and in space.

The CEO of SpaceX pushes for a high-speed tube transport, Samsung lowers the price of curved OLED TVs, and Microsoft reverses its stance on the Xbox One's Kinect.

Hoopla over Elon Musk's Hyperloop

The CEO of SpaceX pushes for a high-speed tube transport, Samsung lowers the price of curved OLED TVs, and Microsoft reverses its stance on the Xbox One's Kinect.


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Internet pop culture with snarky commentary.

Ep. 1320: Where we're stuck in a hyperloop

Newshounds Mark Milian and Peter Ha drop by to discuss the bathroom situation on Elon Musk's Hyperloop proposal. We'll also ask Peter why he reattached the cord and brainstorm how Apple's Parallax could hold the key to a 3D iPhone.

During a conference call on Monday, Tesla and SpaceX CEO Elon Musk dished out the details of his "fifth mode" of transportation -- a lofty and innovative system that's unlike anything ever built.
Laying out his vision and answering questions on the futuristic-sounding plan, Musk sounded confident his big idea could get done. 
The proposed cost for the Hyperloop transportation system, which wants to get you between San Francisco and Los Angeles in just 35 minutes, Musk says, is about $6 billion. 
That sounds very cheap and fast compared with the current California high-speed rail plan, which is aiming for <a href="" >a 3-hour travel time</a> for the same trip, with a <a href="" >current budget of $68 billion</a>.

Hyperloop: Crazy or crazy awesome? (pictures)

Tesla and SpaceX CEO Elon Musk delivers details about his "fifth mode" of transportation, tube travel.

Elon Musk wants to move us in to the future, and across California... fast.

Elon Musk says 'hyperloop' plans coming soon

The SpaceX founder says he will open-source his plans for a super-fast transport system.

Elon Musk of Tesla and SpaceX

Tesla expanding Supercharger network for coast-to-coast drives

By the end of this year, owners could drive their Teslas from Los Angeles to New York using the Supercharger stations, Musk said.


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A contest participant displays a small rocket.

Students blast off in egg payload rocket contest

One hundred teams battled for the crown in the Team America Rocketry Challenge over the weekend. Only one rocket was victorious.

Up, up, and away!

SpaceX hovering Grasshopper rocket reaches new heights

SpaceX's reusable Grasshopper rocket launches, goes farther than ever before, hovers, and lands vertically to the soundtrack of "Ring of Fire."


Orbital's Antares rocket makes successful test flight

The Antares launched smoothly from Virginia's Wallops Flight Facility and released a simulated cargo ship. It's slated to follow SpaceX's Falcon 9 as a commercial ISS resupply craft.

Dragon's parachutes open up prior to splashdown today into the Pacific Ocean off the coast of Baja, California. Earlier this month, the craft traveled to the International Space Station with over 2,300 pounds of cargo -- replacement components for the lab's carbon dioxide removal system; and more than 700 pounds of science gear, including a pair of Glacier freezers and experiment components. It returned to Earth hauling a few hundred pounds more than it dropped off  -- including a set of Lego toys that have been on the station for the last two years.

SpaceX Dragon back home on Earth after successful mission (pictures)

Unmanned space capsule splashes down safely after delivering supplies and equipment to the International Space Station.

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