A new method uses helium droplets combined with ultrashort laser pulses to trigger chemical reactions in a controlled way.

Joe Davidson is among nine Federal Diary/Federal Insider columnists who have written The Washington Post’s longest running ...

A wake-up call is sounded in the latest reports on the extent of damage America meted out to Iran’s nuclear program ...

Fermi America, a Texas company co-founded by former U.S. Energy Secretary Rick Perry, aims to build the largest energy and ...

If he decides in the affirmative, the United States will be entering a war in the Middle East with ambiguous objectives ...

Iran's military has warned conflict will expand across the Middle East after US strikes and it would determine the "timing, ...

Flag Day and the 250th birthday of the U.S. Army are moments when we can be proud, as well as humbled, to live in the United ...

Iran's Fordow nuclear facility, buried under rock, represents a critical threat that only U.S. bunker-busting capabilities ...

The U.N. nuclear watchdog’s board of governors has formally found that Iran isn’t complying with its nuclear obligations for the first time in 20 years. It's a decision that could lead to ...

There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS location, Internet timing, stock trading and even space navigation.

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate. In 2003, engineers from Germany and ...

From space, the Atomic Clock Ensemble in Space will link to some of the most accurate clocks on Earth to create a synchronized network, which will support tests of fundamental physics.