Can science prove the Earth is round? Every major test points to the same conclusion

Earth's shape can be tested in surprisingly simple ways without relying on space photographs. The strongest part of the ...
Phys.org

Amount of sunlight reaching Earth's surface varies over decades, researchers report

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, according to a perspective article led by an international research team. The ...