It would take more than 9.5 million square miles of trees to offset the emissions of the world’s 200 largest fossil fuel ...

Planting trees can help save the planet, right? A new study finds that to offset all the planet-warming carbon emissions from ...

The never-before-seen "nova," dubbed V462 Lupi, recently appeared in the constellation Lupus, after suddenly becoming 4 ...

PetroChina International, the trading arm of the Chinese oil major , says it is interested in North American liquefied ...

It's time to face the music. According to the latest global livability ranking, Calgary has fallen out of the top 10. By a ...