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Graduate student Max Hirschberger lowers the assembled experimental setup into a high-field magnet system, capable of creating fields as strong as 250,000 times the earth's magnetic field.

Graduate student Max Hirschberger lowers the assembled experimental setup into a high-field magnet system, capable of creating fields as strong as 250,000 times the earth's magnetic field.

This collage shows images of six different galaxy clusters taken with NASA's Hubble Space Telescope and Chandra X-ray Observatory. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. Seventy-two large cluster collisions were studied in total.
Using visible-light images from Hubble, the team was able to map the post-collision distribution of stars and also of the dark matter (colored in blue), which was traced through its gravitational lensing effects on background light. Chandra was used to see the X-ray emission from impacted gas (pink).
The team determined that dark matter interacts with itself and everything else even less than previously thought.

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.