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A single nitrogen-vacancy (N-V) center in diamond (right, inset), optically initialized and readout by confocal microscopy, is manipulated with coherent control sequences (red line) of microwave pulses. This measures the arbitrary profile of time-varying magnetic fields radiated by biological sources (or by artificial sources in the researchers' proof-of-principle experiment).

An artist's view of Rosetta, the European Space Agency's cometary probe with NASA contributions.

The World Bank’s Board of Executive Directors approved new funding to improve irrigated agricultural production systems in selected Central coastal and Northern mountains provinces in Vietnam, which will help another 243,000 farming families with better irrigation and drainage service and farming techniques by 2019.

Did you know that it’s Greek software which allows your smartphone to access Wi-Fi hotspots?

Can you see the shape of a hand in this new X-ray image? The hand might look like an X-ray from the doctor's office, but it is actually a cloud of material ejected from a star that exploded. NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has imaged the structure in high-energy X-rays for the first time, shown in blue. Lower-energy X-ray light previously detected by NASA's Chandra X-ray Observatory is shown in green and red.

NASA's Curiosity Mars rover and tracks left by its driving appear in this portion of a Dec. 11, 2013, observation by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.