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<p>This collection of scratch-like streaks was likely caused by dust devils.</p>

Mars dust devils leave their mark on the landscape

A global dust storm on Mars looks like it kicked up quite a fuss.

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NASA's mission to 'touch the sun' beams back first images

Sun not included.

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<p>A look at two Minerva-II rovers and the housing that shields them on board Hayabusa-2.</p>

Japan's Hayabusa-2 is sending tiny rovers to hop around an asteroid

The JAXA spacecraft is dropping a few emissaries to the surface before moving in itself to swipe a piece of the space rock Ryugu.

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<p>The Mars Curiosity rover is sitting pretty on a ridge on Mars.</p>

NASA's Mars rover is having trouble sending data back

The Curiosity rover can't transmit some of its data. NASA is on the case.

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<p>Mr. Spock's homeworld has a basis in reality.</p>

New planet could be Mr. Spock's Star Trek home world

Here's some science to go with your favorite science fiction. Elon Musk, can you get us to Vulcan?

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A bomb shelter for every home?

An inside look at the booming business of nuclear bunkers

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<p>The RemoveDebris satellite shortly after its June deployment from the ISS.</p>

See a satellite play Spider-Man and net space junk in orbit

The RemoveDebris satellite just proved it could snare space junk by shooting a net.

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<p>Kayak now has a baggage measurement tool to help you check if your carry-on bag fits the airline's requirements.&nbsp;</p>

Kayak’s luggage tool shows if your bag fits your flight

The feature uses augmented reality to scan your carry-on.

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<p>Alibaba Group Chairman Jack Ma makes speech at 2018 Alibaba Xin Philanthropy Conference on September 5, 2018.</p>

Alibaba to launch own AI chip to avoid overdependence on US

The chip could reportedly power self-driving cars, smart cities and logistics.

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<p>NASA has named its first female flight director.</p>

NASA names its first female chief flight director

Holly Ridings will lead the group directing human spaceflight operations.

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<p>This illustration shows what the BFR system might look like.</p>

Elon Musk: SpaceX moon mission will be livestreamed in VR -- in 5 years or so

Yes, the launch will be in 2023 at the earliest, but it's never too soon to plan.

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<p>Elon Musk caught on film by National Geographic during the Falcon Heavy launch.</p>

SpaceX simplified: A quick guide to Elon Musk's space company

If you've heard something about BFR rockets, moon passengers and cities on Mars, but don't know the details, here's a brief rundown.

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The Apple Watch Series 4 gets smart about heart rate

 Mobile

Sony PlayStation Classic brings 20 retro games on Dec. 3 for $100

 Consoles

iPhone 11, iPhone XI or iPhone Lemur? Apple still has a 2019 iPhone naming problem

 Phones

Hackers behind Mirai botnet could be sentenced to working for the FBI

 Security

Nuclear bunkers are the new real estate craze

 Sci-Tech
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Does BMW or Volvo do it best?

Pint-size luxury and funky style

Shopping for a new car this weekend? See how the BMW X2 stacks up against the Volvo XC40 in our side-by-side comparison.