Fossils Life processes can change the composition of the atmosphere. Fossils can tell scientists what living things were around at different times in Earth’s history. Evidence of early plants ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...

If total inflow of energy must match the outgoing thermal infrared observed at the top of the atmosphere, where does the remaining fraction (about 5-6 percent) come from? The remaining energy comes ...