US Space Force logo draws comparisons to 'Star Trek'

US President Donald Trump unveiled the logo of Space Force on Friday, attracting critics who said America's newest military branch had boldly gone where Star Trek went before.

Gravity: We might have been getting it wrong this whole time

Symmetry has been one of the guiding principles in physicists' search for fundamental laws of nature. What does it mean that laws of nature have symmetry? It means that laws look the same before and after an operation, similar ...

'Doomsday Clock' closer to midnight than ever

The Doomsday Clock on Thursday ticked down to 100 seconds to midnight, symbolizing the greatest level of peril to humanity since its creation in 1947 as the threat posed by climate change and a growing nuclear race loomed ...

On the hunt for primordial black holes

The theory that dark matter could be made of primordial black holes a fraction of a millimeter in size has been ruled out by a team of researchers led by the Kavli Institute for the Physics and Mathematics of the Universe ...

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