![French astronaut Thomas Pesquet takes a selfie during his last spacewalk in January.](/web/20170326093111im_/http://www.smh.com.au/content/dam/images/g/v/6/9/j/q/image.related.wideLandscape.460x259.gv69io.png/1490451580748.jpg)
Spacewalk prepares International Space Station for commercial taxis
Two astronauts ventured outside the International Space Station on Friday on the first of three outings to prepare the orbiting research laboratory for commercial space taxis.
Two astronauts ventured outside the International Space Station on Friday on the first of three outings to prepare the orbiting research laboratory for commercial space taxis.
Scientists have found a way to reverse the ageing process, extending the lifespan of mice by 20 per cent and raising the prospect of an anti-ageing treatment for humans within a decade.
The dynamics of the sawfish's astounding sword-like weapon make it one of nature's deadliest stealth predators, new research has shown.
Halfway through her HSC, Rachel Woolley was suffering exhaustion and a stiff neck.
The dinosaur family tree may need to be radically rewritten – and even uprooted and replanted elsewhere, a new analysis shows.
If you have long feared that using a satnav navigation system is making you worse at finding the way alone, research suggests you may be right.
Funnel-web spider venom could one day be used to save the lives of stroke patients, new research shows.
Microsoft is so serious about building its quantum computer that it has put the Xbox guy in charge.
A dingo pup found close to death on a outback track could help answer "ground-breaking" scientific questions.
Chicken meat grown in test tubes could be in supermarkets within four years.
Think red means danger? Good, because so do cobras.
A small clinical trial using brain stimulation to fire up the neurons in Alzheimer's patients is showing promise. Jo Duff was one of those who experienced marked improvement.
Evidence has been discovered of a star orbiting a black hole at just 2½ times the distance between the Earth and moon.
Tasmanian devils with tumours the size of golf balls have had their cancerous growths disappear, after scientists successfully trialled a new way to kick-start the animals' immune system.
The Mohamed Bin Zayed challenge is the world's richest robotics competition.
Scientists have got a sneak peek into the kitchen and medicine cabinets of Neanderthals by examining the DNA of the stuff stuck on and between their teeth. What they found smashes common misconceptions of the cavemen.
Don't get your hopes up that astronomers will find new home planets in case we continue to screw up our own.
A new blood test which enables doctors to more accurately and rapidly assess the success of a bone marrow transplant has been hailed a lifesaver.
New findings suggest the habitable zone is wider than previously thought, meaning more of the seven Earth-sized exoplanets in the system could qualify.
Artificial human life could soon be grown in a laboratory, scientists believe, after they successfully created an embryo using only stem cells for the first time.
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