This year, what scientific photos have shocked you? The lovely family photo of the Pluto? Or the beautiful super moon? Top U.K. science journal Nature highlights the best science images of 2015.

(Xinhua Photo)

Reptile warfare

In Indonesia, the two biggest lizards on Earth -- Komodo dragons -- are not hugging with each other. Instead, they stage brutal fights over territory. This photo was a finalist in the 2015 Wildlife Photographer of the Year competition.

(Xinhua Photo)

Supersonic boom

The shock waves generated by a U.S. jet moving at supersonic speed from another plane above the Mojave Desert. How was it captured? NASA researchers exploited a technique called schlieren photography, first developed in the nineteenth century by German physicist August Toepler, to capture changes in light as the jet passed through air of different densities.

(Xinhua Photo)

Magellanic magic

The Planck satellite captured the photo of the Large Magellanic Cloud (dark dots, center) and the Small Magellanic Cloud (bottom left) — two galaxies close to our own Milky Way. The image uses data captured at microwave and sub-millimetre wavelengths.