The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshone by moonlight. When you purchase through links on our site, we may earn an ...

People tend to connect with similar others in different groups, shaping how ideas and diseases spread. The authors introduce a data-validated model that captures homophily across group sizes and show ...

The IAEA Milestones Approach enables a sound development process for a nuclear power programme. It is a phased comprehensive method to assist countries that are considering or planning their first ...