Celestial mechanics: Analytical model reveals true cause of orbit bifurcations near Lagrange points

Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...

A walk across Alaska's Arctic sea ice brings to life the losses that appear in climate data

As I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape.