There are weird volcanoes everywhere we look in the solar system
2 December 2020
Bizarre volcanoes that ooze ice magma or explode like geysers reveal the geological rumblings beneath other worlds. Some might even provide the spark for alien life
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Premium
The universe is expanding too fast, and that could rewrite cosmology
25 November 2020
Different measurements of the Hubble constant, the rate of space-time expansion, refuse to agree – meaning we may have to look beyond Einstein’s theories to explain the universe
How are sand dunes formed and why do they even exist?
11 November 2020
The strange, beautiful shapes that sand dunes form are a mystery. Now researchers are conducting huge desert experiments and using dune racetracks to figure it out
Why we're in for a long wait to hear from intelligent aliens
30 September 2020
Hints of bacteria on Venus are encouraging, but finding life beyond Earth is the easy part. A new analysis suggests the evolution of human-like intelligence on another planet is more improbable than we like to imagine
Anousheh Ansari interview: Why everyone should see Earth from space
9 September 2020
The X Prize Foundation CEO on her unique experience as the first self-funded woman to fly to the International Space Station, and how innovation could help us cope with the covid-19 pandemic
Black holes are hiding movies of the universe in their glowing rings
29 July 2020
A faint fuzzy glow around the first black hole image last year baffled astronomers. Now we know what it contains – and it’s more bizarre than we ever imagined
The four puzzles that tell us a cosmological revolution is coming
22 July 2020
A century ago, we missed the loose threads that told us our picture of the universe would unravel. Let’s not be so complacent now, says cosmologist Dan Hooper
Why the universe I invented is right – but still not the final answer
3 June 2020
Nobel prizewinner Jim Peebles introduced dark matter and dark energy into our standard model of the cosmos – but that is only an approximation to a deeper truth, he says.
Why it's better to fall into a big black hole, and other bizarre facts
28 May 2020
Black holes exert a powerful pull on our imagination, but their weirdness starts way before you cross the event horizon, says astrophysicist Chris Impey
The amazing Antarctic discovery that could tell us how Earth was made
27 May 2020
Explorers trawling the polar ice have finally unearthed a trove of precious, iron-rich space rocks that might help crack the puzzle of how our planet took shape
