James Van Allen discovered the two Earth-circling radiation belts that bear his name in 1958. The discovery, based on data from Explorer 1 (the first U.S. satellite), Explorer 3, and Pioneer 3, was ...

WEST LAFAYETTE, Ind. -- First there was "channel surfing." Then came "surfing the Net." A Purdue University researcher now has found that spacecraft might be able to "surf" through space. For nearly ...

First, authors present the dynamical models and pursuit-evasion orbits used in this paper In this paper, the Earth-Moon rotating frame (EMR) and the circular restricted three body problem (CR3BP) is ...

WEST LAFAYETTE, Ind. -- A Purdue University professor and two of her doctoral students have designed the trajectory for an upcoming space mission, which may shed light on the composition of the sun.