AMES, Iowa – Allen Lawrence, wrapping up a long career as an electrical engineer, was serious about moving his astronomy hobby beyond the 20-inch telescope he’d hauled to star parties under the dark ...

Astronomers have revealed that a well-known, nearby galaxy has a rare double-nucleus structure. The so-called "Cocoon Galaxy" not only has a unique shape, it has a rare double-nucleus structure, ...

Findings in nuclear physics theory have received several Nobel Prizes (1975-nucleus vibrations and rotations, 1963-nuclear shell model, 1949-meson exchange model of nuclear forces). Despite these ...

The Structure of the Nucleus The electrons in an atom tend to occupy distinct shells. What about particles in the nucleus? The "magic numbers" of the isotope chart suggest that they also have a shell ...

There are 118 elements. Each element is unique by virtue of the different numbers of electrons, protons, and neutrons its atoms contain. Isotopes are atoms of a given element that vary only in the ...

Human and mosquito cell nuclei have their own shapes, and researchers can mold one to look like the other. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The difficulties associated with simulating the freezing of water resemble those of the protein-folding problem: real proteins fold into a unique native structure from numerous denatured states 10,11, ...

If stretched out, human DNA would be about 2 meters long. For this long strand to fit inside the cell nucleus, which is about ...