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‘This sounds weak’: how the satellite hit chain can get out of control

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'This sounds weak': how the satellite hit chain can get out of control

For hundreds of thousands of years, Earth’s orbit has been a vast and empty space – free from the impact of busy humans below, scurrying around on the surface of the planet. But in 1957, Soviet Union scientists achieved a historic breakthrough, sending a metal ball with four radio antennae – called Sputnik – so … Read more

‘Frightening’ winter sees Arctic sea ice hit record low for second year – Carbon Brief

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Daily Arctic sea ice extent for 2026 and 2025, with decadal average and 2012 low compared, based on data from NSIDC. Chart by Carbon Brief

Arctic sea ice has reached its peak this winter, and is at its lowest point in the satellite record going back nearly half a century. Interim data from the US National Snow and Ice Center (NSIDC) show that sea ice extent peaked at 14.29 square kilometers (km2) on March 15. This is slightly less than … Read more