Europe's Ariane 5 uses solid rocket boosters to get off the ground. (Image credit: Arianespace)

The environmental impact of rocket launches: The ‘dirty’ and the ‘green’

By Tereza Pultarova, Published by Space.com, 28 October 2021 If the environment was your priority, which rocket would you choose? When it comes to their environmental impacts, not all rocket fuels are equal. Which are the industry's 'dirty secrets' and which technologies might satisfy even Greta Thunberg?  Here's a look

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A 360-degree panorama of the night sky and prairie landscape from the Visitor Centre and farmyard at the Old Man on His Back Prairie & Heritage Conservation Area in southwest Saskatchewan. (Alan Dyer/NCC)

Planned launch of thousands of satellites could obliterate our view of night skies, says astronomy prof

By Janani Whitfield, Published by CBC Canada, 14 September 2021 If the launch of thousands of artificial satellites goes ahead as planned, future generations may have to start singing 'Twinkle Twinkle Little StarLink,' a possibility that has one astronomy professor chilled.  Humans have long turned to the night sky to see natural

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