Physics

NASA, Northrop Grumman Launch Space Station, National Lab Cargo

Northrop Grumman's Cygnus spacecraft is on its way to the International Space Station with about 7,400 pounds of cargo after launching at 4:01 a.m. EST Saturday from NASA’s Wallops Flight Facility on Virginia’s Eastern Shore.

National Space Council Gets Report on Human Spaceflight in Low-Earth Orbit

NASA and the Departments of State and Commerce have submitted a report to the National Space Council outlining future opportunities and challenges for human spaceflight in low-Earth orbit (LEO), and its potential economic contributions to the broader field of exploration.

A new lead on a 50-year-old radiation damage mystery

For half a century, researchers have seen loops of displaced atoms appearing inside nuclear reactor steel after exposure to radiation, but no one could work out how.

NASA to Host Media Call on Agency's Next Mars Rover Landing Site

NASA will host a media teleconference at noon EST Monday, Nov. 19, to provide details about the Mars 2020 rover’s landing site on the Red Planet.

Kilogram, ampere, kelvin and mole redefined

In a landmark decision, representatives from 60 countries voted to redefine the International System of Units (SI), changing the world's definition of the kilogram, the ampere, the kelvin and the mole, forever.

Scientists produce 3-D chemical maps of single bacteria

Scientists at the National Synchrotron Light Source II (NSLS-II)—a U.S. Department of Energy (DOE) Office of Science User Facility at DOE's Brookhaven National Laboratory—have used ultrabright x-rays to image single bacteria with higher spatial resolution than ever before. Their work, published in Scientific Reports, demonstrates an X-ray imaging technique, called X-ray fluorescence microscopy (XRF), as an effective approach to produce 3-D images of small biological samples.

Infinite-dimensional symmetry opens up possibility of a new physics—and new particles

The symmetries that govern the world of elementary particles at the most elementary level could be radically different from what has so far been thought. This surprising conclusion emerges from new work published by theoreticians from Warsaw and Potsdam. The scheme they posit unifies all the forces of nature in a way that is consistent with existing observations and anticipates the existence of new particles with unusual properties that may even be present in our close environs.

Take a weight off: 'Grand K' kilo being retired

Humankind is about to sever one of the links between its present and its past.

Neutron pinhole magnifies discoveries at ORNL

Advanced materials are vital ingredients in products that we rely on like batteries, jet engine blades, 3-D-printed components in cars. Scientists and engineers use information about the structure and motion of atoms in these materials to design components that make these products more reliable, efficient and safe to use.

NASA Selects Universities for New Rapid Response Research Programs, Space Station Flight Opportunity

Research looking into resources from the Moon and Mars, improving gene testing and creating technology for advanced missions to Venus are among several projects selected to receive awards from NASA's Established Program to Stimulate Competitive Research (EPSCoR).

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