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Question of the Day
Why aren’t there exactly 12 hours of daylight and 12 hours of darkness on the spring and fall equinoxes?

Weather News provided by BBC News Science & Environment©

• Why the price of oil matters more than you might think
  A shock to oil supplies is rattling financial markets, driving up prices at the pump and raising fears of a bigger economic hit.
• Spectacular images reveal unique sea creatures and corals off Caribbean islands
  Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.
• Sheep are disappearing from our hills - and our dinner plates
  Have we have passed "peak sheep" in the UK?
• Nasa announces change to its Moon landing plans
  It is adding an extra mission to its Artemis programme before landing astronauts on the Moon.
• Waitrose to suspend mackerel sales due to overfishing concerns
  The supermarket chain says it will stop sourcing fresh, chilled and frozen mackerel by 29 April.
• First writing may be 40,000 years earlier than thought
  Scientists believe they have found evidence of written thoughts of Stone Age people on ancient objects.
• It's nearly moving day for these sand martins
  Testwood Lakes Nature Reserve in Hampshire is set to welcome its first residents later this month.
• Campaigners push to better protect chalk streams
  Campaigners say the eco-system rarity does not have enough legal protection.
• Ancient hedge laying used to boost biodiversity
  Bristol Water is using ancient hedge laying techniques to improve biodiversity near Blagdon lake.
• Wildlife trust buys land to create new reserve
  In its 100th year, the Norfolk Wildlife Trust spends £4.6m on 336 acres of farmland.
• Spectacular images reveal unique sea creatures and corals off Caribbean islands
  Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.
• University joins UK's £17bn space sector
  The Southampton Space Institute will use expertise and facilities for education and jobs creation.
• Being an Essex girl never held me back, says spacecraft engineer
  "I don't think stereotypes like that have ever bothered me," says 36-year-old Sian Cleaver.
• Tim Peake leaves scouts starry-eyed at hut opening
  Peake was the first Briton to set foot on the International Space Station.
• In pictures: Worm Moon captured over Northern Ireland
  The first full Moon of the spring, a Worm Moon, was visible on Monday and Tuesday across Northern Ireland.
• New Scottish Dark Sky Observatory plans get the green light
  The facility in Galloway will replace one which burned down in Ayrshire more than four years ago.
• The climate change course for people with learning disabilities
  A training course on climate change has been specially developed for people with learning disabilities
• Earth's heat to power 10,000 homes in renewable energy first for UK
  Water super-heated by rocks will also provide the UK's first domestic supply of the critical mineral lithium.
• Targets and watchdog for nature as Senedd passes new law
  A new law designed to better protect nature and reverse the loss of wildlife in Wales is passed.
• Why scientists fear Emperor penguins' annual moult may be killing them
  Each year the birds must stay on floating ice long enough to replace their weather-beaten feathers.
• UK puffins in peril as winter storms threaten mass seabird 'wreck'
  Hundreds of dead and dying seabirds are washing up on British beaches.
• Nasa announces change to its Moon landing plans
  It is adding an extra mission to its Artemis programme before landing astronauts on the Moon.
• The Global Story
  Nasa's Artemis II launch this spring marks the beginning of a new space race.
• Nasa's mega Moon rocket arrives at launch pad for Artemis II mission
  Final preparations now get underway for the first crewed mission to the Moon in more than 50 years.
• Intriguing finds could solve mystery of women in medieval cemetery
  There is growing evidence that the women were part of an early female religious community.
• UK company sends factory with 1,000C furnace into space
  A factory in space has been switched on and has reached temperatures of about 1,000C.
• The science of soulmates: Is there someone out there exactly right for you?
  For many, the idea of soulmates still shapes how love is understood.
• The debate about whether the NHS should use magic mushrooms to treat depression
  Many clinical trials to test the use of psychedelic medicines for conditions such as depression have been underway since 2022 - with surprising results
• COP30: Trump and many leaders are skipping it, so does the summit still have a point?
  The US president is notably absent from these UN climate talks, as are other world leaders, all of which prompts questions about the purpose of COP today.
• Britain's energy bills problem - and why firms are paid huge sums to stop producing power
  Could the government's radical plan to change the way the UK distributes electricity really bring down bills - or just lead to a postcode lottery?
• These robots can clean, exercise - and care for you in old age. Would you trust them to?
  It sounds like something from a sci-fi film - but some scientists believe this clever new tech could help alleviate strains on the UK care system
• BBC Inside Science
  Space warfare, space manufacturing and satellite data at Space Comm Expo
• BBC Inside Science
  Molecular biologists find tiny self-replicating molecules which may be key to life origins
• BBC Inside Science
  And how can future civilisations remember where we put it?
• BBC Inside Science
  The science of barbecue recorded at Abergavenny Food Festival 2025.

National Geographic©

• Chemical Exposure Linked to Billions in Health Care Costs
  Chemicals that mimic estrogen and other hormones are costing the EU $175 billion per year in health care, according to new research.
• As Smog Thins in L.A., Dramatic Evidence of Kids' Healthier Lungs
  New study shows Los Angeles-area kids have fewer breathing problems now than they did in the 1990s.
• Lack of Snow Leaves California's 'Water Tower' Running Low
  Rising temperatures and declining snowpack in the mountains mean that the drought across the western U.S. is about to get even worse.
• Arctic Ship Breaks Free of Ice for Historic Expedition
  A Norwegian research vessel will spend six months on the sea ice to study the changing Arctic.
• How Geothermal Could Cleanly Power the Planet: Indonesia's Tale
  The Earth's heat could power homes and businesses worldwide, but it's barely been tapped. Indonesia is trying to change that.
• Dramatic New Video Shows Volcano Forming an Island
  A fast growing island off Japan is seen in new video from the Japanese Coast Guard.
• Corn for Home Heat: A Green Idea That Never Quite Popped
  Some enterprising Americans burn kernels to keep warm in winter, but there's a reason the green heating concept hasn't taken off.
• What You Don't Know About History's Most Famous Scientists
  In the 11th and 12th centuries, Muslim scientists were way ahead of contemporaries in Christian Europe.
• New Theory Behind Dozens of Craters Found in Siberia
  Scientists say melting pingos, and not methane hydrates, are likely to blame for the dramatic craters.
• Miami's Choice: Bigger Ships or Coral Reefs?
  Dredging in Biscayne Bay inflicts heavy damage on North America's only coral reef tract.
• Quirky Winds Fuel Brazil's Devastating Drought, Amazon's Flooding
  With severe water shortages in Brazil's cities and destructive floods in the Amazon, the boom-and-bust phenomenon may be South America's new normal.
• 'Shark Lady' Eugenie Clark, Famed Marine Biologist, Has Died
  Eugenie Clark, a marine biologist and ichthyologist, who died on Wednesday, helped the public understand and appreciate the much maligned shark.
• Canadian First Nations Seek to Protect Forest Homeland
  By winning protection for their boreal forest, indigenous Canadians help slow global warming.
• Panama Canal: Superhighway for Invasive Species?
  The Panama Canal is being widened. That means bigger ships and more cargo for Gulf and East Coast ports-and more alien species too.
• 'This Is Really Extreme Science': Adrift in the Arctic Ice With a Shipload of Norwegians
  Our correspondent reports from a Norwegian research ship that's drifting inside the Arctic ice cap, gathering data needed to predict its future.
• Two Reasons Why Obama's Keystone Veto Won't Decide Pipeline
  The never-ending saga of the Keystone XL pipeline gets new twists with potential problems in Nebraska and South Dakota.
• New U.S. Dietary Recommendations First to Consider Environmental Impact
  "Linking health, dietary guidance, and the environment will promote human health," new guidelines say.
• Ancient Fellowship of Fishermen, Dolphins at Risk in Myanmar
  Fishing gangs on the Irrawaddy River use electricity to illegally increase their catch.
• Nearly 200 Whales Stranded on New Zealand Beach
  Nearly 200 pilot whales are stranded on a New Zealand beach, prompting a massive rescue effort.
• 100 Years Later, Antarctic Explorers' Huts Look Frozen in Time
  Whiskey and all, the wooden dwellings of early explorers now look as they did during the first treks to the continent, thanks to a decade-long restoration effort.
• New Study Shows Plastic in Oceans Is on the Rise
  The amount of trash flowing into the world's oceans is worse than thought—eight million tons a year, says new study.
• Mysterious Sea Lion Die-Off Strikes Again on California Coast
  Tiny sea lion pups are washing up on beaches in unusually high numbers—for the third winter in a row.
• Fighting Over Herring—the Little Fish That Feeds Multitudes
  Pacific herring stocks are shadows of their former abundance. But the Canadian government wants to reopen fishing off British Columbia.
• To Save Coral Reefs, First Save the Mangroves
  Coral reefs are in danger of bleaching in open water, but in the sheltering roots of mangroves, some have found a home.
• National Academy: There’s a Good and a Bad Way to “Geoengineer” the Planet
  We should be figuring out how to pull CO₂ back out of the atmosphere, says a National Research Council report. But we should be wary of launching a planet-cooling chemical sunshade.