Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

Stig Nilsson a colonel in the Norwegian Ministry of Defence’s Department for Defence Policy and Long Term Planning, said Space Norway should have two highly elliptical satellites under construction by ...

When you look at how the planets orbit in our Solar System, the correct answer was given hundreds of years ago: first by Kepler, whose laws of motion described it, and then by Newton, whose law of ...