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Gloucester Docks dredging project costing £4m begins

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Carbon tracking tower put on Scotland's largest saltmarsh
It will track how much carbon is being taken out of the atmosphere by the saltmarsh on the Solway Firth.

Wildfire smoke affects animals in unique ways. Scientists are trying to understand it
The new field of "smoke ecology" examines how wildfire smoke perturbs wild places and animals — and what might be done to prevent its worst mayhem.

What happened during Christa Pike's failed execution
Catherine Sweeney was in the witness room when Tennessee attempted to execute Christa Pike on Sept. 30. An attempted execution in May had also failed. Here's what Sweeney saw and heard.

UK oil refinery broke toxic pollution limits dozens of times, documents reveal
Pollution was spilled into local rivers and protected sites, documents shared with the BBC suggest.
There's a contraception shortage in Tanzania due to a cut in U.S. family planning aid
The U.S. supplied the majority of Tanzania's birth control until it was abruptly cut off in 2025. It's unclear how the country will fill the gaps.

Plaque honours Mars mission scientist
The tribute recognises Colin Pillinger who led the 2003 probe mission to Mars.