Airports need a lot of space, but in the places most in need of air connections -- islands and large metropolises -- it's a commodity that's in short supply.

Donald Trump loves being unpredictable -- it's a valuable card in any good negotiator's hands, he insists.

So everyone is shuffling around furiously swiping at their phones and bragging about their Vaporeon and you're just sitting here like "What's a Pokéball?"

Yes, astronomers have discovered dark sand dunes on Mars that resemble Morse code

British archaeologists working on the Must Farm project in England's Cambridgeshire Fens can hardly restrain themselves.

The Ganges and Brahmaputra rivers are critically important, life-giving rivers for hundreds of millions of people living in India and Bangladesh.

NASA denied claims by amateur observers that it cut off a video feed from the International Space Station to avoid showing a UFO.

Donald Trump appeared to call on Russian hackers Wednesday to find 30,000 of Hillary Clinton's deleted emails, adding a stunning twist to the uproar over Moscow's alleged intervention in the presidential election

Uber has adopted a tactic with its drivers that parents use on misbehaving children: timeouts.

"I have always imagined that Paradise will be a kind of library," the late Argentinian writer Jorge Luis Borges once said.