Space
10 mysteries of the universe: Is our solar system normal?
Puffball planets the density of polystyrene are just some of the oddities we鈥檝e spied in other solar systems 鈥� is our own backyard the exception, not the rule?
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Earth
NASA鈥檚 deep-space mission to a $10 quintillion all-metal world
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Environment
Rock layers show our sun has been in same cycle for 700 million years
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Space
NASA鈥檚 Parker Solar Probe is on its way to the sun, via Venus
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Space
Forgotten giants: Why the time is ripe to revisit Uranus and Neptune
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Physics
The sun shrinks and grows again by 2 kilometres every 11 years
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Space
Why weird star systems are where we’ll find alien life
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Space
Passing star may have disturbed the solar system billions of years ago
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Space
We鈥檝e found 12 new moons orbiting Jupiter 鈥� and one is probably doomed
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Space
Tornadoes on the sun could blast hot plasma towards Earth
Huge tornadoes erupting with magnetic energy on the sun may result in plasma shooting towards Earth, which can interfere with communications and electrical grids
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Space
Interstellar visitor 鈥極umuamua may be a comet, not an asteroid
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Space
The New Horizons probe is awake and ready for its next flyby
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Environment
A day used to be less than 19 hours long 1.4 billion years ago
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Space
Pluto is not a planet 鈥� it’s a billion comets squished together
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