People across Europe were pretty confused last night, after a giant blue swirl appeared in the sky, lasting several minutes. Rather than a UFO or an ambiguous sign from a vengeful god, the spiral ...

Map of material distribution in the disk around protostar G358-MM1. The white “+” marks the location of the protostar. The contour lines indicate signal strength. The colors represent the ...

A study of spiral patterns found in galaxies like our Milky Way could overturn the theory of how the spiral arm features form and evolve. Since 1960s, the most widely accepted explanation has been ...

The spiral pattern shown by the galaxy in this image from the NASA/ESA Hubble Space Telescope is striking because of its delicate, feathery nature. These "flocculent" spiral arms indicate that the ...

A typical daisy is a star-like flower. It features a fringe of white or colored petals and a central disk of tubular florets. Each floret is itself a tiny flower. The tightly packed florets at a daisy ...