The term "habitable zone" is a broad definition that serves a purpose in our age of exoplanet discovery. But the more we learn about exoplanets, the more we need a more nuanced definition of habitable ...

2023 set a number of alarming new records. The global mean temperature also rose to nearly 1.5 degrees Celsius above the preindustrial level, another record. Seeking to identify the causes of this ...

Vicinity, Albedo's second bus designed for very low Earth orbit, has deployable solar arrays for power-hungry payloads. Credit: Albedo SAN FRANCISCO – Albedo, the former Earth-observation startup now ...

Despite the warm weather this week, I am imagining that the snow will linger for a while longer. I figure it will take a lot of solar energy to melt the drifts more than 3 feet deep in my field. So, ...

Considering the globe as a whole, high clouds and cloud-free scenes result in warming of the Earth's atmosphere, as less energy escapes into space than arrives from the sun. For low clouds, it's the ...