Peering back in time more than 7 billion years, a team of astronomers using a powerful new spectrograph at the W. M. Keck Observatory in Hawaii has obtained the first maps showing the distribution of ...

Scientists using data from the Atacama Cosmology Telescope in Chile have made a detailed map of dark matter’s distribution across a quarter of the sky. The map shows regions the distribution of mass ...

Left- or right-handedness is a symmetry property that many macroscopic objects also exhibit and which is of immense importance, particularly for the bioactivity of organic molecules. Chirality is also ...

The darker shading on these maps of the Prince Henry Avenue site shows where various types of artifacts were most heavily concentrated. Total numbers of artifacts from shovel tests and their locations ...