An Undiscovered Planet, Plummeting Global Markets, and Facebook’s Internet.org: Here’s What We’re Talking About Today

1. Scientists believe they may have found a previously undiscovered planet in orbit beyond Neptune.

2. On the back of plummeting oil prices,  stock markets around the world posted significant losses today.

3. Inside Facebook’s plans to connect the whole world.

4. Here’s why 2015 was the hottest year on record by such a shocking margin.

5. Currently mulling a run for leadership of the Conservative Party, Kevin O’Leary — recently named Canada’s biggest asshole — sits down with Maclean’s.