Ancient hippo-like reptile was a giant to rival the dinosaurs
We thought only dinosaurs grew into giants during the Triassic, but we've discovered fossils of a mammal-like reptile that was 5 metres long and 3 metres tall
Sick ants stay clear of their co-workers to stop disease spreading
Ants exposed to a potentially lethal fungal pathogen spend less time in the nest - a strategy that helps protect co-workers and the queen from becoming infected
Shallow Mexican seabed traps tsunamis so they strike land repeatedly
A tsunami kept pinging back and forth for three days after being triggered by the 8 September 2017 Mexico earthquake, posing even more risk to human life
Climate crisis as greenhouse gas levels reach record highs
A report from the UN's World Meteorological Organisation says that levels of carbon dioxide and other greenhouse gases have hit new highs, increasing the risk of catastrophic climate change
Giant grooves on Mars’s moon Phobos may be caused by rolling boulders
Mars’ largest moon, Phobos, is covered in enormous grooves that stretch over kilometres. They may have been caused by boulders rolling around the surface
We urgently need to switch to hybrid heating for homes, says UK report
Millions of householders will need to install hybrid gas-heat pump systems in the next decade if the UK is to meet its emissions targets, says an official advisor
Hydrogen will never be a full solution to our green energy problems
Hydrogen could help us green some tricky parts of the energy system but it can only have a secondary role compared with electricity from renewables
Diabetes can be diagnosed by simply shining a light on your skin
Researchers have developed a tool that diagnoses high blood sugar levels simply by analysing the pattern of fluorescent light reflected off the skin
First plane to take flight using ionic wind produces no emissions
There's a new type of electric plane that produces no emissions, the only problem is it is very small and can only fly 55 metres
Are disposable nappies really so terrible for the environment?
Disposable nappies have been named as the latest plastic good we should ban, but there are problems with compostable and reusable alternatives too