A team of scientists has used X-ray and gamma-ray observations of some of the most distant objects in the Universe to better understand the nature of space and time. Their results set limits on the ...
AMES, Iowa — Joe Gray picked up 18-inches of space shuttle foam and turned the inch-thick sample on its side to show the layers within the foam. The spray-on foam that insulates and protects the space ...
Space-time may be more smooth than foamy, supporting Albert Einstein’s General Theory of Relativity. NASA’s Fermi Gamma-ray Space Telescope tracked the paths of three photons at different wavelengths ...
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