Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are so many different factors to consider, and we only have the technological ...

A recent studypublished in Nature Geoscienceexplores the future of Earth’s atmosphere, revealing that a dramatic decline in oxygen levels will likely suffocate most complex life forms on our planet.

From the highest mountains to the deepest oceans, the breath of life as we know it depends on a single, vital element: oxygen. Our planet's atmosphere is currently a vibrant, oxygen-rich blanket, ...

Demand for timely and accurate Earth observation (EO) data has never been greater. Applications range from monitoring climate change and urbanization to ensuring food security, managing biodiversity, ...

US Secretary of State John Kerry Thursday urged nations to set ambitious goals to curb greenhouse gases, warning climate change deniers that gambling with the Earth's future was a risky business as ...