How big is a neutron star? These extreme, ultra-dense collapsed stars are fairly small, as far as stellar objects are concerned. Even though they pack the mass of a full-sized star, their size is often compared to the width of a medium-to-large-sized city.
Astronomers have used an algorithm based on the growth patterns of slime mold to map something that's basically impossible to see: The cosmic web of gas and dark matter underpinning the very structure of the universe.
Under our feet, in the soil, is a wealth of microbial activity. Just like humans have different metabolisms and food choices, so do those microbes. In fact, microbes play an important role in making nutrients available to plants.
Scientists at The University of New Mexico (UNM) have found that the Earth and Moon have distinct oxygen compositions and are not identical in oxygen as previously thought according to a new study released in Nature Geoscience.