kilometres

Humpback whales: Some males travel 6000 kilometres in search of a mate

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Crowdsourced photographs reveal that some humpback whales travel between Mexico and Hawaii in one breeding season Life 16 February 2022 By Christa Lesté-Lasserre A humpback whale breaching NMFS Permit 19225, Flip Nicklin/Minden Pictures Humpback whales may be far more mobile during their breeding season than previously thought, with some travelling up to 6000 kilometres in … Read more

Biggest comet from outer solar system ever seen is 137 kilometres wide

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Astronomers have calculated the size of a ‘mega comet’ originating in the Oort Cloud, a cluster of icy bodies that surrounds our solar system Space 4 February 2022 By Jonathan O’Callaghan Illustration of the comet Bernardinelli-Bernstein as it might look in the outer solar system NOIRLab/NSF/AURA/J. da Silva Astronomers have confirmed that a “mega comet” … Read more

Lightning flash measuring 768 kilometres is the longest ever recorded

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Two record-breaking lightning flashes occurred in 2020: one with a length of 768 kilometres is the longest ever recorded, while another with a duration of 17 seconds is the longest-lasting flash ever detected Environment 1 February 2022 By Alex Wilkins Lightning on the Great Plains of North America Laura Hedien/Getty Images The world’s longest lightning … Read more

Thawing Permafrost Is Poised to Unleash Havoc in The Arctic, Scientists Warn

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Thawing Arctic permafrost laden with billions of tonnes of greenhouse gases not only threatens the region’s critical infrastructure but life across the planet, according to a comprehensive scientific review.   Nearly 70 percent of the roads, pipelines, cities, and industry – mostly in Russia – built on the region’s softening ground are highly vulnerable to … Read more