Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

At its peak, April’s full moon will be about 30,000 miles (49,000 kilometers) farther from Earth than the largest supermoon of the year, which will rise in November, according to NASA.

Rain accumulation and runoff is part of a larger process on earth, known as the water cycle. The four core parts of the water cycle include evaporation, condensation precipitation, and accumulation.