Four protesters have been arrested after splattering food on the case of a diamond-encrusted crown at the Tower of London.

The famed Lincoln Road clock tower will soon light up once again. Why it matters: The digital clock mounted atop 407 Lincoln ...

Alexandra Bell is the president and CEO of the Bulletin of the Atomic Scientists. A noted policy expert and former diplomat, she oversees the Bulletin‘s publishing programs, management of the Doomsday ...