Imagine a world where the very air we breathe is slowly, naturally, beginning to thin out. While our planet's vibrant ...

Trillions of bacteria, fungi, viruses and single-celled organisms travel the globe high in the atmosphere. Scientists are ...

New reports out of the NOAA and Scripps Institution of Oceanography suggest that the carbon dioxide (CO2) levels in Earth’s ...

NASA’s Mars Odyssey captured a stunning sunrise view of Arsia Mons, revealing water-ice clouds and offering insights into ...

As the climate warms, the atmosphere's increasing demand for evaporation is surpassing the rate at which precipitation is ...

This July, dress warm and let your eyes adjust because the Perseids meteor shower will rain over Canada, and you might want ...

The key may lie in Arctic clouds during winter, as climate models tend to underestimate how much liquid they contain and how ...

Billions have been invested in technologies to remove carbon dioxide from the sky in recent years. But Trump’s policies have ...

NASA's 2001 Mars Odyssey might have concluded its primary mission more than two decades ago, but it's still racking up ...

The Amazon founder and his fiancée will be met with 'noisy' protests when they cruise into the historic city aboard their ...

Mars Odyssey orbiter has captured a new panorama of Arsia Mons, one of the largest volcanoes on Mars, peeking through morning ...