Alexander Vinnik (right), suspected of running a money laundering operation using bitcoin, denies all charges against him.
EPA-EFE/ANA-MPA
Allegations bring to the fore questions over the legitimacy of bitcoin – a sound investment tool or a massive scam?
Acinetobacter baumannii.
Shutterstock
Researchers are using epigenetics to find ways to ‘turn off’ bacteria’s ability to cause infections.
Present day Emperor penguins like this would have been dwarfed by the giant find.
Shutterstock
Scientists in New Zealand have discovered an extinct penguin known as Kumimanu biceae that was 1.77m tall.
Artist s impression of merging neutron stars.
Author University of Warwick/Mark Garlick
Cosmologists who were hoping to be the next Einstein have had to bin their theories.
Anthony Ryan
Limitations improve creativity: we think up solutions we would never have thought of in a lab.
Pleito cave site,
Devlin Gandy
A Native American tribe in California got a chance to reconnect with their past through virtual reality models of inaccessible, sacred sites.
Facebook
Can philanthropy of the super-rich ever be better than taxation?
Shutterstock
Jellyfish have a lot more going for them than blobby bodies and a sting.
Black hole Cygnus X.
NASA/CXC/M.Weiss
A sudden flare and cooling of gas around a black hole has enabled astronomers to measure the magnetic field of a black hole for the first time – finding it much weaker than expected.
The author’s dog, Zipper, as a puppy.
Emily Birch
The average owner spends between £21,000 and £33,000 on their dog in its lifetime.
GarryKillian/Shutterstock.com
The risks of big data are not getting enough attention.
The Wdowiak Ridge on Mars as seen by NASA’s Mars Exploration Rover Opportunity.
NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.
Clay on early Mars could have formed under hot and steamy conditions, challenging the idea that it was created just like that on Earth.
Shutterstock
DeepMind’s machine learning collaboration with another NHS trust (this time, it’s applying the tech to breast cancer) kicks up more questions of trust.
Check mate.
Tristan Martin/flickr
The latest episode of The Conversation's In Depth, Out Loud podcast, in which we read out a selection of long form stories.
Eldery member of the Agta hunter-gatherer tribe in the Philippines.
A new study suggests skilled storytellers may have greater reproductive success than others.
Are you a Facebook addict? Here’s how to find out.
Marcos Mesa Sam Wordley/Shutterstock
Don’t want to become a social network addict? Start by working out what your vulnerabilities are.
NASA/JPL
A new trajectory means the mission to uncover core facts about the asteroid belt will happen sooner than planned.
kdshutterman/Shutterstock.com
We’ve only travelled into space in the last century, but humanity’s desire to reach the moon is far from recent.
shutterstock.
Jirsak/Shutterstock
There are some strong arguments for giving machines the rights to their creations.
Alexander Kellner (Museu Nacional/UFRJ)
Researchers use CT scanners to take first look inside pterosaur eggs.
Drones being used to find survivors after an earthquake in Ecuador in 2016.
Fotos593
Stand by for drones, robots and sensors to the rescue.
Shutterstock
The sea remains the least explored habitat on our blue planet.
Image showing where scientists believe dark matter resides in the galaxy cluster Abell 520
– near the hot gas in the middle, coloured green.
Chandra X-ray Observatory Center
Controversial new study challenges contemporary thinking about what the universe is made of.
A direct line to government.
nopporn/Shutterstock
Citizens of Oman can now find every government department on Twitter, reporting issues and ensuring public servants are kept on their toes.
Shutterstock
Crypto cash is catnip for criminals and a huge challenge to law enforcement – so it’s time to bring in a tough, jurisdiction-busting regulatory body.