Earth’s magnetic field surrounds it like an invisible force field – protecting life from harmful solar radiation by deflecting charged particles away. Far from being constant, this field is continuously changing. Indeed, our
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Venus is known both as the “planet of love” and the Earth’s “evil twin”. And although research suggests its environment is more hellish than romantic, there’s actually a lot we don’t know about our
I grew up in a Kenyan village with dark skies and vivid stars. We admired the sky and listened to stories about it told by the elders. There were few expectations that the children in our village would ever understand the sky’s secrets
I have become citizen number 62 of Asgardia, a new space nation dedicated to expanding peaceful exploration of space for the benefit of humanity. It is led by Igor Ashurbeyli, chairman of Unesco’s Science of Space
British scientists David Thouless, Duncan Haldane and Michael Kosterlitz won this year’s Nobel Prize in Physics “for theoretical discoveries of topological phase transitions and topological phases of matter”. The reference
Something hugely important is happening in a vast, quiet stretch of the Northern Cape. A new radio telescope operating at just a quarter of its full power is revealing the universe’s secrets one image at a time. MeerKAT will ultimately become
Wits University scientists are excited about getting closer to understanding “dark matter”, the institution said on Wednesday. The High Energy Physics Group at Wits recently established the “Madala hypothesis”, in describing a new
After leaving Earth more than five years ago, the space probe orbiting Jupiter has flown closer to the planet than any other spacecraft before, according to the US space agency. The space probe, named Juno, “soared close to the
When we were children, the summer holidays seemed to last forever, and the wait between Christmases felt like an eternity.…
“In space, no one can hear you scream.” That was the tagline of the 1979 box office film success Alien. And it’s true. Sound waves propagate mechanically as a vibration and therefore need a medium – solid, liquid or gas