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NASA has outlined a mission plan for placing a lander on Jupiter's moon Europa, what such a conceptual mission would look like, and how it would directly seek out life for the first time since the Viking Mars missions of the 1970s.

Delivery trucking is a dirty business, but the companies that rely on it are working to clean things up – and compressed natural gas is emerging as a useful alternative to our reliance on diesel power. In the UK, Scania has created a fleet of CNG-powered trucks for long range deliveries.

Google announced two LG-made smartwatches as part of its Android Wear 2.0 operating system release. The LG Watch Style is a smaller, more minimal wearable, while the LG Watch Sport is bulkier but more thoroughly equipped. Which one (if either) is right for you? ​

Scientists are claiming a chemical breakthrough that replaces the key molecule in conventional tires with one sourced from grass and trees instead, all without affecting the tire's color, shape or performance.

Toyota gets in on the SUV fun at this year's Chicago Auto Show, making its RAV4 an unlikely adventure hero. The new RAV4 Adventure is another "active lifestyle" package that brings a higher ride height, more rugged looks and other upgrades.

Moto Z smartphones boast an innovative modular approach. Thanks to Motorola's "Transform the Smartphone" contest, they're poised to receive some interesting new expansion options. Finalists propose everything from a germ-killing sterilizer to a solar-powered battery.

How did the Moon form 4.5 billion years ago, and why is it so different from the Earth? According to the Scripps Institution of Oceanography, part of the answer can be found in a mineral created by the first nuclear bomb test in 1945.

Europeans might know it as the i30 but ​Hyundai likes to do things differently in the US, launching the warmed-over Elantra GT Sport with a 200 hp (149 kW) engine and purist-pleasing six-speed manual gearbox. The Golf GTI won't be losing any sleep, but the warm hatch bodes well for the i30N.

Energy harvesting devices that generate electricity from light, heat, and mechanical pressure in a single package may soon be possible. Researchers from the University of Oulu have discovered a crystal mineral material that is able to simultaneously generate electricity from all these sources.

Butterfly wings are covered with microscopic structures that reflect visible light in such a way that it appears as vivid colors. Blue tarantulas also possess this quality, although as scientists recently discovered, they've put their own special spin on it.

Black holes fall into two categories: stellar-mass, weighing a few times our Sun, and supermassive black holes, those with the mass of millions or billions of stars. But scientists suspect “middleweight” black holes exist, and have now detected the first evidence of one of these missing links.

​It's not at all uncommon for autistic children to have phobias. Unfortunately, these fears can sometimes be so severe that the children have to completely avoid commonly-experienced situations. A new immersive reality treatment, however, is showing great promise in addressing the problem.