A Tribute to Paul Walker. Paul Walker's family appreciates the outpouring of love and goodwill from his many fans and friends. They have asked, in lieu of flowers or other gifts, that donations please be made to Paul's charity Reach Out Worldwide (ROWW). Donations can easily be made through their website at http://www.ROWW.org/.

Porsche's famed test driver Walter Rohrl was scared of it. A former manager at Porsche has called the CGT "the most dangerous car on the road." And IndyCar driver and Carrera GT owner Graham Rahal says it "needs respect." This is not a car to mess with, and two people paid the ultimate price this weekend.

Exotic supercars aren't strictly the realm of imports. Automakers big and small based right here in the United States have created some of the most devastating performance machines ever to roam the Great American Road.

The upcoming 2015 Lamborghini Cabrera has been spied testing hard at the Nurburgring. Watch it here!

"Think About Tomorrow" muzyka: Bednarek słowa: Kamil Bednarek

The South Korean firm is reportedly working on two versions of the phone.

It's rumored to have 640 to 670 horsepower, thanks to an upgraded version of the M5's direct-injected 4.4-liter twin-turbo V8. It can go 0-62 in about 3 seconds, is made from materials such as carbon fiber and titanium -- which could give it the best power-to-weight ratio of any BMW street car - and is the first supercar from the blue-spinner crew since 1981.

Anyone who says science is boring has not seen images like these. Throughout 2013, there have been countless discoveries, phenomena, and moments of natural beauty that amazed and stunned us.