Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports

In recent months, two nuclear-armed states, India and Pakistan, came to the brink of war; and two nuclear-armed states, the United States and Israel, bombed a third country, Iran, with the express aim

‘The universe is a pretty big place. If it’s just us, it seems like an awful waste of space,’ wrote the American astronomer and author Carl Sagan in his book, Contact. Ever since humans first huddled

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

DEFENSE

As host of the most American troops outside the United States, Japan is preparing itself amid fears of conflict between the U.S. and China