Who benefits from scare stories about aliens, and are we alone in the Universe?Since ancient times, humans have gazed at the night sky ...

A man whose visionary ideas anticipated the space age, Sir Arthur C. Clarke died on 19 March 2008 in Colombo, Sri Lanka, at the age of 90. ITU pays tribute to his work. Arthur Charles Clarke was born ...

Even if you’re sitting down with a boorish uncle or a snippy cousin, you can do things to make the occasion a happy one.

To honor Arthur Helton and memorialize his work, Arthur’s family and the Council on Foreign Relations established the Arthur C. Helton Memorial Lecture. Speakers address pressing issues in the ...

Even if you’re sitting down with a boorish uncle or a snippy cousin, you can do things to make the occasion a happy one.

Sikorsky also designed numerous fixed-wing airplanes, mostly after he emigrated from Russia to the US in 1919 after the 1917 Russian Revolution. Konstantin Eduardovich Tsiolkovsky, one of the pioneers ...

10.5 x 16 cm. (4.1 x 6.3 in.) ...