Cyclone Freddy, which is finally dissipating after battering Southeast Africa, has crossed the entire Indian Ocean and made landfall three separate times.

How to achieve the very best views and images of the neighboring worlds in our solar system.

The universe may be flat, but could still be shaped like a doughnut, weird patterns in leftover light from the Big Bang suggest.

Jean-Jacques Favier, who in 1996 became the sixth astronaut and first scientist from France to launch into space, has died at the age of 73.