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

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

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

Summer will begin in the Northern Hemisphere on Friday, June 20, as the sun reaches its highest point of the year at midday.

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