For tens of thousands of years, humans have observed the minute seasonal changes that make or break a harvest. Now, for the first time, satellites have caught up. A study published this week in Nature ...

44 degrees, or about half way between its extremes, and this angle is very slowly decreasing in a cycle that spans about 41,000 years. 5 degrees relative to its orbital plane around the sun, is the ...

(gentle music) - [Mark] Wetland ecosystems are essential for filtering water, alongside providing resources and habitat for wildlife. While the warm days of summer allow for impressive visuals and ...