Science
Radio signal from 9 billion light-years away from Earth captured
How to watch the 'Green Comet' as it makes closest approach in 50K years
Over the moon! Buzz Aldrin marries ‘long-time love’ on his 93rd birthday
Next stop, Twatt! My tour of Britain’s fantastically filthy placenames
Morris Nitsun obituary
More than 3 billion stars, galaxies are captured in a massive new survey
Dread, exhaustion and rising helplessness: inside the burnout among Australia’s psychologists
People exposed to weedkiller chemical have cancer biomarkers in urine – study
Xi’s authority dented by sudden Covid U-turn but iron grip on power is undimmed
Scientists discover emperor penguin colony in Antarctica using satellite images
Surprise magma chamber found under Mediterranean Sea volcano near popular tourist destination
New treatment strategy cuts risk of bowel cancer returning by 28%
Light pollution rapidly reducing number of stars visible to naked eye, study finds
Microscopic organisms that make up the base of the ocean's food chain dying due to warming East Coast waters
Thousands at risk of heart attacks due to Covid disruption, experts warn
GM bacteria could combat antibiotic resistance, study suggests
‘3D medieval puzzle’: Newport ship to be reassembled from 2,500 pieces of timber
Shell to spend $450m on carbon offsetting as fears grow that credits may be worthless
Scientists suggest eating oily fish linked to lower risk of kidney disease
Florida manatees still dying off at concerning rate, experts caution