These creatures are so fragile that the moment they are pulled out from the water, they collapse and disappear.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

Abstract: In this paper, we took GF-2 and GF-3 as datasets, introduced an image fusion method named HIS(Intensity-Hue-Saturation)-NSST (Nonsubsampled Shearlet Transform) +PCNN (Pulse Coupled Neural ...