Since 1972, officials have added 27 leap seconds to the universal clock, but in a meeting this week in France they have ...

Hundreds of children have died of starvation and disease in a drought in Sudan caused by the record-breaking El Niño. The ...

The Martian Moons eXploration spacecraft, set to launch on 20 October, will bring back samples that should solve a moon mystery that has been vexing scientists for more than a century ...