"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

The new year starts with a series of celestial events, from four planets being visible all month to the full moon passing right in front of Mars while Venus and Saturn kiss in the night sky on Jan. 17 ...

Looking to buy one of Swatch's iconic MoonSwatches but don't know where to start? We've ranked the very best models available ...

The planetary transits of the year initiate with Venus shifting into Pisces on January 2nd. On the same day, the Sun also ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...

Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm.

As Bulgaria joined Europe's borderless travel zone on January 1st, Greeks have been freely flocking to the neighboring country, where petrol prices are cheaper, to fill up their tanks. Bulgaria, along ...