ScienceNot So Colorful: Rare, Full Color Photo Shows Comet 67P/Churyumov-Gerasimenko is ... Gray The ESA has released a true color photo of 67P/C-G, but the image appears not very different from earlier renderings of the comet in black and white. The space agency explained why the comet is gray.by Rhodi Lee
ScienceESA XMM-Newton Spots Anomalous X-Ray Emissions that Might be Dark Matter Particle. Why is This Significant?by Sumit Passary
ScienceTangible Evidence of Dark Matter? Scientists May Have Found Some in X-Ray Databy James Maynard