French scientists, after studying enstatite chondrite meteorites, which are thought to approximate the early building blocks of Earth, have determined that Earth's water must have been present from its very earliest stages.
Showers in the Northwest and another tropical system to keep an eye on in the Gulf.
A team headed by researchers at Penn State has found that the ultimate limit to how far in advance accurate forecasts of the weather can be made is around 2 weeks.
Showers affect areas from the Plains to the east coast.
A look into how the weather in the Western Pacific is having major impacts on our weather this September.
A research team from the University of Essex has discovered a way to overcome two bottlenecks in the natural process of photosynthesis to enable a 27 percent increase in productivity in certain crops.
Birds took the treated feathers back to their nests and as a result, 95 percent of the chicks survived.
Heat in the west and severe storms possible in the Midwest.
A look into how the growing season is calculated and how it varies around the country.