The Real source of Gravity
Einstein’s general relativity says gravity is spacetime curvature, but what does that mean?
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Seeing the Beginning of Time
Astronomers have begun one of the most far-reaching efforts to study the cosmos, as part of a historic quest: to peer into space and time.
The final upper limit for the Speed of Sound
Scientists calculated the upper limit for the speed of sound.
A new Quantum Paradox challenges the Foundations of Observed Reality
If a tree falls in a forest and no one is there to hear it, does it make a sound? Perhaps not, some say.
Fastest Star ever observed
Fastest star ever observed by astronomers is moving at more than 8% the speed of light.
Cooling Atoms to Almost Absolute Zero
NASA’s Cold Atom Lab aboard the International Space Station cools atoms down to a billionth of a degree above absolute zero, or the temperature at which atoms
Parallel Worlds Probably Exist
The most elegant interpretation of quantum mechanics is that the Universe is constantly splitting. Parallel worlds probably exist. Here’s why.
A Typical Neutron Star is only 22 Kilometers Wide
New ultra-precise measurement shows that a Neutron star, witch is about 1.4 times as heavy as our Sun, has a radius of about 11 kilometers.
How to Power Nap
Take a look at this interesting infographic on why and how you should be taking power naps.
Star is Dragging Space-Time around with it
Astronomers discovered a star that is dragging space-time around with it, proving that Einstein was right again.