Science

NASA photos show new signs of a lake on Mars
In the huge Gale Crater where Curiosity has been exploring, the water and sediment flow might have been massive enough to build a mountain.
Ransomware: When hackers lock your files, to pay or not to pay?
There's a kind of attack -- one that's evolving -- that sneaks into your network, takes your files and holds them for ransom.
Sources: FAA may require licenses to fly commercial drones
The FAA has been struggling to write the rules for unmanned aircraft like the ones Amazon and other companies are developing. But a proposal is expected before year's end.
Walter Isaacson on the digital revolution
Aspen Institute CEO Walter Isaacson speaks at the Computer History Museum about his new book, "The Innovators: How a Group of Hackers, Geniuses and Geeks Created the Digital Revolution."
The city of Minneapolis has launched a new open-data portal, allowing the public to access raw government data online.
Student's device purifies water without chemicals or electricity
The "Water Lens" uses only the power of the sun, but can kill 99.9 percent of all bacteria and pathogens found in polluted water.
U.S. tech firms see green as they set up shop in low-tax Ireland
Google, Apple and others have global headquarters in Ireland. But the U.S. Congress and critics aren't happy, and the Irish are reconsidering some of these business-friendly tax laws.
Why are vitamins disappearing from non-GMO cereals?
Vitamins may fail the non-GMO test for a variety of reasons, but they may not necessarily come from GMO microbes.
What if sharing your MRI was as simple as Pinterest?
The ease of sharing images online doesn't often extend to the medical realm. An experiment to let patients see and share scans gets rave reviews from early adopters.
Orion spacecraft splashes down after high orbit test
Mission control called the first test of the capsule a "picture perfect" mission that had surmounted "significant milestones."