Three satellites built in Hertfordshire have been launched today to help scientists monitor our oceans.
The satellites, built by Astrium in Stevenage, have been blasted up into space from Russia.
They're made mostly of non magnetic carbon fibre so they can measure the magnetic signal of the tides.
It should provide data on how the oceans transfer heat around the Earth, a key feature of the climate.
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Hundreds of protestors braved wintry weather to march through Baldock. They're angry at plans that could see thousands of new houses.
Fire crews released a woman from an overturned car after it went off the A12 at Ingatestone in Essex.
A very cold day in strong, blustery winds. Wintry showers for much of the day, rain or sleet towards coasts but of snow at times inland.