Observations and sample-return missions show us that space rocks tend to be rich in water, carbon and organic compounds. Yet meteorites on Earth are not. Why?
Extreme storms hit the central U.S. in early April. A climate scientist explains the recipe for severe storms and why a warming world makes them more frequent.
Researchers are developing new tools to help study what dogs experience. These insights can better inform trainers of dogs involved in scent detection.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.