Luna moth resting on cedar elm, New Braunfels, Texas, USA (© Rolf Nussbaumer/Nature Picture Library)

nikitonsky: This is unacceptable. Burn it to the ground

Beach at sunrise, Gulf Islands National Seashore, Florida (© Tim Fitzharris/Minden Pictures)

This document revises how the Resource Public Key Infrastructure (RPKI) handles Certificate Revocation List (CRL) Number extensions.

nikitonsky: This dialog always confuses me. I have to read small print to really understand what does it want

Lavender fields in Plateau de Valensole, France (© zpagistock/Getty Images)

nikitonsky: Calendar that starts on Wednesday? Sure, why not

Temple of Philae (aka Temple of Isis), Aswan, Egypt (© Ratnakorn Piyasirisorost/Getty Images)

Perseid meteor shower and an ancient bristlecone pine, Great Basin National Park, Nevada (© Wirestock Creators/Shutterstock)

Young blue shark swimming off the coast of Galicia, Spain (© Damocean/Getty Images)