BBC News - Science & Environment
Sumatran rhino 'hanging on by a thread'
A genetic study shows the decline of one of the rarest mammals on Earth began during the last Ice Age.
Star system has record eight exoplanets
Nasa finds a distant star circled by eight planets, equal to the complement in our own Solar System.
Neonicotinoids at 'chronic levels' in UK rivers, study finds
Neonicotinoids have increasingly been linked to problems in bee populations.
How Greenland would look without its ice sheet
Scientists stitch together decades of survey data to reveal a hidden world of mountains and canyons.
Hurricane Harvey rainfall 'weighed 127bn tonnes'
Scientists established how much rain fell by measuring how much the Earth compressed during the storm.
Sea reptile fossil gives clues to life in ancient oceans
A new fossil is shedding light on the marine reptiles that swam at the time of the dinosaurs.
Warmer Arctic is the 'new normal'
The reliably frozen Arctic is history, say scientists who warn of an unprecedented rate of warming.
Nasa's New Horizons probe strikes distant gold
New observations suggest America's Pluto probe will see more than one object on its next flyby.
Jupiter Great Red Spot has deep roots
Nasa's Juno probe begins to unlock the workings of the mighty storm that has raged on Jupiter for over 150 years.
Interstellar asteroid checked for alien technology
A project searching for life in the cosmos will scan the first interstellar asteroid for signs of alien technology.
Climate change: Trump will bring US back into Paris deal - Macron
But the French leader says he will not agree to a demand that America's terms should be negotiated.
'Worrying alarm call' for world's birds on brink of extinction
Seabirds such as the kittiwake are being pushed to the brink of extinction, say conservationists.
Pacific 'baby island' is natural lab to study Mars
A newly emerged volcanic island will help trace the Red Planet's water history and the search for life.
Golden eagle migration out of sync with climate change
Adult golden eagles are unable to shift the timing of their migration, a North American study shows
US flood risk 'severely underestimated'
More than three times as many Americans are at risk of having their homes flooded than federal maps show.
Irish DNA map reveals history's imprint
Scientists have unveiled a detailed genetic map of Ireland, revealing subtle DNA differences that may reflect historic events.
Mt Hope installed as 'UK's highest peak'
Scientists re-measure the tallest mountains in the Antarctic territory claimed by Britain.
Huntington’s breakthrough may stop disease
Scientists say it could be the biggest breakthrough in neurodegenerative diseases for 50 years.
US firm picks UK for weather satellites
Orbital Micro Systems' demonstration weather satellite should pave the way for a network in the sky.
Farthest monster black hole found
Astronomers discover the most distant "supermassive" black hole known to science.
Researchers find 'oldest ever eye' in fossil
The remains of the extinct sea creature include an early form of the eye seen in many of today's animals.
Google's 'superhuman' DeepMind AI claims chess crown
An algorithm developed by the DeepMind team claims victory against a world-beating AI chess program.
Little Foot skeleton unveiled in South Africa
One of the oldest and most complete skeletons of our ancestors is unveiled in South Africa.
UN signals 'end' of throwaway plastic
The end of the era of throwaway plastic has been signalled by UN environment ministers meeting in Kenya.
IUCN Red List: Wild crops listed as threatened
Wild relatives of modern crops deemed crucial for food security are threatened with extinction.
How UK's birds are being affected by a changing climate
Migratory birds are arriving in the UK earlier each spring and leaving later each autumn, a study shows.
Hinkley Point's Cardiff Bay toxic mud claim 'alarmist'
300,000 tonnes of mud from Hinkley Point C is due to be dumped in the sea off Cardiff Bay.
Australia's frog count: App calls on citizen scientists
Scientists hope the public will help them record the sounds of the amphibians via an app.
Chief vet defends support of larger hen cages
On Twitter, Nigel Gibbens says the pens are a "necessary defence" against bird flu.
The 'supermoon' celestial wonder seen across the UK
Skywatchers have enjoyed spectacular views of the Moon appearing larger and brighter in the sky.
Gravity signals rapidly show true size of giant quakes
Researchers develop a new speedy approach to estimate the true size of very large earthquakes.
New Sentinel satellite tracks dirty air
A UK-Dutch-built Earth observing spacecraft shows its promise with some stunning images of pollution.
'Zero tolerance' plan eyed for plastic pollution
A plan to drastically cut plastic pollution of the oceans may be agreed at a UN summit.
Fossilised eggs shed light on reign of pterosaurs
A collection of 200 eggs gives new insights into the development of the extinct flying reptiles.
Geminid meteor shower dazzles over northern hemisphere
If you missed the annual Geminid meteor shower, cameras captured the celestial display over China.
Last chance to save the 'panda of the sea' from extinction
A last-ditch effort to save the world's rarest marine mammal from extinction has been launched.
The world's youngest island
Scientists think Hunga Tunga Hunga Ha'apai might hold clues on where to look for life on Mars.
Australian town driven batty by flying foxes
Residents of an Australian town are being overwhelmed by thousands of flying foxes.
The 'Godfather of Coral' who's still diving at 72
Charlie Veron's been diving for 50 years and has discovered more than 20% of the world's coral species
A closer look at '3.67m-year-old' skeleton
It took 20 years to excavate, clean and put together Little Foot, found in caves north of Johannesburg.
Dracula ticks in amber tell ancient blood-sucking tale
Feathered dinosaurs were covered in ticks just like modern animals, according to fossil evidence.
Narwhal escape: Whales freeze and flee when frightened
Narwhals show a "costly" response to threats, raising concerns over how they will respond to increased human contact.
Climate's magic rabbit: Pulling CO2 out of thin air
Can technology to remove carbon dioxide from the atmosphere really help prevent dangerous climate change?
Botanical exploits: How British plant hunters served science
Collecting in the clouds: Remembering the British plant-hunters who diced with death to discover plants
'Face of climate change'?
Images of a starving Canadian bear go viral - but all may not be as it appears.
Plastic planet
More and more waste plastic is ending up in our oceans. How big is the problem and why is plastic such a threat?
The other Dodo
In the middle of the 18th Century, a large flightless bird became extinct on an Indian Ocean island.
Off and running
World land-speed record-holder Andy Green describes the performance of his new new car - Bloodhound SSC.
Looking for cures
The biohacker movement wants to cure disease without the help of government or big companies
Press print
The Swedish hi-tech firm at the forefront of using 3D printing to create human ears, noses and other body parts.
Green planet
The United Arab Emirates' Mars research programme is turning its attention to date palm trees.
Ice ceiling
For decades, there was a ceiling not of glass but of ice, holding women back from doing research in Antarctica.
Sewing for Nasa
From the Apollo spacesuits to the Mars rovers, women behind the scenes have stitched vital spaceflight components.
Carbon case history
Prof Joanna Haigh from Imperial College London explains why this gas has played a crucial role in shaping the Earth's climate.
Rare spectacle
The Norwegian island of Kvaløya is now one of the few places in Europe to see a pod of killer whales.