The Galaxy S5 and earlier Galaxy smartphones had replaceable batteries and storage expansion slots. But the new GS6 says goodbye to that flexibility in favor of a sleeker design.
The next evolution in wireless networking holds promises of self-driving cars and movies that download in the blink of an eye. 5G is big at this year's Mobile World Congress, but don't expect it until 2020.
The most important things to know when shopping for a cell phone.
There are leaks and teases aplenty ahead of Mobile World Congress 2015, while Google Wallet is looking to make a comeback and Pebble's latest smartwatch, Time, is out now on Kickstarter.
Check out the must-see moments from Samsung's Mobile World Congress Unpacked event in Barcelona, Spain.
On March 9, Apple is widely expected to let us know exactly when its much-anticipated Watch line will ship and how much all the new models will cost. But what other new products might Apple unveil?
We take a look at a prototype of this crowdfunding hit, which can be locked remotely and has enough on-board battery to charge your iPhone six times.
Think you know your Romulans from your Slitheens? You probably do, but find out for sure by taking this fun online test.
We have seen the future and it includes an iris-scanning smartphone and luggage that can weigh itself. Check out the rest of the impressive tech from day two of Mobile World Congress 2015.
Google's latest update to its Android operating system delivers a ton of new features. Here are the tips and tricks you need to know about.