No audio available for this content. Most of you will know that during summertime I can usually be found in Calgary, Alberta — the “GPS Capital of Canada.” I usually try to pick up on developments in ...

The Photographer’s Ephemeris is a popular tool that allows creatives to view just how the light will look at any scene at any given time — but now the tool is getting a modern refresh. The developer ...

Space Station trajectory data is now available to the public! This data, called an ephemeris, is generated by the ISS Trajectory Operations and Planning Officer (TOPO) flight controllers in the ...

Suparna Lahiri's grandfather compiled the first Indian ephemeris. Photo: Tonoya Sen/Mint Many years ago, on a trip to Mumbai to meet my father, we were talking about a forthcoming solar eclipse and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Astronomers have created and used ...