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The image shows a single human cell (brown) on a bed of nanoneedles (blue).

NASA's Mars Exploration Rover Opportunity has extended its robotic arm for studying a light-toned rock target called "Athens" in this March 25, 2015, image from the rover's front hazard avoidance camera.

After a couple of years in high-inclination orbits that limited its ability to encounter Saturn's moons

Galileo, the EU's satellite navigation programme, has just placed two more satellites into orbit. The lift-off took place on 27 March at 22.46 CET from the European spaceport near Kourou in French Guiana. We have received signals proving that they were positioned as expected.

This is an artist's impression of a beam of entangled photons.

This schematic shows the synthesis of organic-inorganic shish kebab-like nanohybrids composed of periodic nanodisk-like kebabs.

SMAP will produce global maps of soil moisture, which will help improve our understanding of Earth's water and carbon cycles and our ability to manage water resources.

Imaging of burns indicates that those treated with the FL2 inhibitor nanotechnology experienced collagen deposition and hair follicle formation. (2-photo confocal microscopy).

This sequence of images shows a blast zone where the sky crane from NASA's Curiosity rover mission hit the ground after setting the rover down in August 2012, and how that dark scar's appearance changed over the subsequent 30 months.

The Soyuz TMA-16M spacecraft is seen as it launches to the International Space Station with Expedition 43's NASA Astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko and Gennady Padalka of the Russian Federal Space Agency (Roscosmos) onboard Friday, March 27 (Saturday, March 28 Kazakh time) from the Baikonur Cosmodrome in Kazakhstan.