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America Abroad: How drones are reshaping the world

America Abroad: How drones are reshaping the world

Hundreds of thousands of drones are taking to the skies. They're used in real estate and construction, package delivery, and journalism. They're also used to deliver humanitarian aid around the world and to find and kill the most wanted terrorists. How did this technology move so quickly from science fiction to ubiquitous reality?

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Bouncing water, space opera and Soyuz: Your weekly reading list

Bouncing water, space opera and Soyuz: Your weekly reading list

This week, browse through sci-fi movies before 'Star Wars,' see why it might not be NASA going back to the moon, and learn why some water drops bounce better than others.
by William Lager

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Earth selfie: Baikonur Cosmodrome

Earth selfie: Baikonur Cosmodrome

Clear skies reach from the Red Sea to the Himalayas, stretching north to Kazakhstan, home of Baikonur Cosmodrome, the only space port operating human space flights.
by William Lager

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No longer just a toy: Regulators say drone operators are pilots

No longer just a toy: Regulators say drone operators are pilots

The hottest holiday gift of the year is facing new federal regulations as drone fliers are now required to take the same safety responsibilities as airplane pilots.
by Alina Selyukh

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Between cheap gas and carbon caps, oil sands face uncertain fate

Between cheap gas and carbon caps, oil sands face uncertain fate

Canada's potentially lucrative oil sands business faces serious economic challenges. It has some concerned about its future as environmental critics look for ways to keep the oil in the ground.
by Jeff Brady

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No warp drives, no transporters: Science fiction authors get real

No warp drives, no transporters: Science fiction authors get real

Some of the biggest names in science fiction right now -- like "The Martian" author Andy Weir -- are writing what's called hard sci-fi, based on real-world science and a vision of hope for the future.
by Steve Paulson

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2 degrees, $100 billion: The world climate agreement, by the numbers

2 degrees, $100 billion: The world climate agreement, by the numbers

The historic agreement calls for "deep reductions in global emissions." But how deep will those reductions be -- and how soon, and who's paying for it?

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Nearly 200 nations adopt climate agreement at COP21 talks in Paris

Nearly 200 nations adopt climate agreement at COP21 talks in Paris

The deal sets the goal of limiting the world's average temperature rise to "well below 2 degrees Celsius above preindustrial levels," with an attempt to cap it at 1.5 degrees.

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