What is El Niño and why could it mean record temperatures?
Global temperatures are expected to rise in the coming months as El Niño begins.
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El Niño under way and threatens weather extremes, scientists say
An El Niño event has officially started, say US scientists, raising fears of extreme weather and higher temperatures.
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Six ways to keep your home and yourself cool in hot weather
Six simple things you can do to help keep your house cool when temperatures rise.
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Nasa names next astronauts for Artemis Moon programme
Nasa names its next Artemis crew, though they will not be walking on the Moon or even going anywhere near it.
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Nasa has named the Artemis III crew - what is their mission?
Artemis III will help test crucial systems needed for the planned Artemis IV Moon landing in 2028.
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Rare footage captured of Great White shark in Mediterranean Sea
A volunteer diver has described shaking as he filmed his encounter with an endangered Great White shark between Tunisia and Sicily.
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Astronauts return to ISS after sheltering during air leak repair attempt
Russian attempt to repair tunnel area sparks safe-haven procedure for five other astronauts onboard.
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Mangrove forests are healing after decades of human destruction
Swampy mangrove forests are staging a surprise comeback - which is good news for coastal communities and the climate.
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Failing sea defences 'disaster' for nature reserve
An internationally important nature reserve in Hampshire is under threat from failing flood defences.
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Next El Niño could be strongest in decades
A new phase of the natural El Niño weather pattern could begin in a matter of weeks, the UN has warned, boosting temperatures on a planet already under strain from climate change.
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'Killer fungus' could be good news for habitats decimated by invasive moss
A newly discovered species raises hope that some native British habitats could be restored.
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Exploding rocket casts doubts over Nasa's Moon plans
Explosion of Blue Origin rocket is a setback for the company and for Nasa's Moon plans.
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Farmers warn food security can't be taken for granted
Farmers at the Bath and West Show say there are strong parallels between energy and food security.
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New microplastics research examines River Thames
Water samples are assessed for pollution levels and any impact climate pressures may be having on the river system.
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Remote volunteers use CCTV to save red squirrels
The project will allow volunteers to help defend red squirrels by monitoring footage remotely.
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Volunteers could revive scarce bog insect numbers
The project's long-term goal is to reintroduce the wetland insect to more sites.
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Fears dogs to blame for drop in little tern numbers
It has been the worst year for dogs getting too close to the nesting birds, a wildlife trust says.
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How forgotten voyages helped track El Nino
A century ago, research ship William Scoresby left Hull for pioneering work in the southern oceans.
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Elon Musk's stratospheric rise to trillionaire status - in charts
The BBC breaks down how the tech mogul's fortune has grown.
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Elon Musk becomes world's first trillionaire as SpaceX soars in stock market debut
Musk is now worth $1.11tn according to the Bloomberg rich list, while SpaceX listed on the Nasdaq stock exchange with a value of $2.2tn.