The head of the International Atomic Energy Agency is warning that the “space for negotiation and diplomacy … is getting smaller” over Iran’s advancing atomic program as wars in the Mideast rage on ...

The kilonova briefly mimicked the conditions immediately following the Big Bang, and allowed scientists to confirm the source ...

Astrophysicists have, for the first time, measured the temperature of elementary particles in the radioactive afterglow of a neutron star collision, which led to the formation of a black hole. This br ...

The temperature of elementary particles has been observed in the radioactive glow following the collision of two neutron stars and the birth of a black hole. This has, for the first time, made it ...

In the background, Japan was rebuilding itself at ... An aerial view of the total destruction of Hiroshima, the result of the US atomic bomb – the first dropped in wartime – on August 6 ...

Physicists have synthesized the element livermorium, which has the atomic number 116, using an unprecedented approach 1 that promises to open the way to new, record-breaking elements. The heaviest ...

DUBAI, Oct 21 (Reuters) - Iran has written to the U.N. nuclear watchdog to complain about Israeli threats to strike its atomic energy sites, its foreign ministry spokesman said at a weekly news ...

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

A global look at the economic and cultural forces shaping our world.