Space
Huge impact could have smashed early Earth into a doughnut shape
Many rocky worlds may have spent time as a newly named planetary form called a synestia 鈥� a loosely connected blob of molten rock and dust with a dented middle
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Earth
Odds on: Five scientific theories decided by wager
Features
Space
Neutron stars that slow down could be eating ‘backwards’ gas
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Space
Volunteers spot four super-Earths orbiting sun-like star
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Space
New approach to dark energy might explain our cooling universe
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Space
Earth-sized telescope set to snap first picture of a black hole
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Physics
Gravitational waves slow the spin of shape-shifting neutron star
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Space
The coldest place in the universe marks a double stellar grave
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Humans
Inside knowledge: What wisdom will live on once we’re gone
Features
Space
Win a pair of signed books by Lawrence M. Krauss
Enter our competition and expand your knowledge of the universe with two books that ask why we're here - and where we're going
Regulars
Space
The many-tentacled galaxy that could drive a physics revolution
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Space
Cosmological ruler could help us get the measure of dark energy
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Space
Dark matter took its time to wrap around early galaxies
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Physics
Keep an open mind on dark matter and rivals that do away with it
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