A technique to sift out the universe's first gravitational waves

In the moments immediately following the Big Bang, the very first gravitational waves rang out. The product of quantum fluctuations in the new soup of primordial matter, these earliest ripples through the fabric of space-time ...

Looking for signs of the Big Bang in the desert

The silence of an immense desolate land in which to search for reverberations coming from the time at which everything began. The Simons Observatory will be built in the Chilean Atacama desert at an altitude of several thousand ...

A new look at the nature of dark matter

The nature of the dark matter which apparently makes up 80% of the mass of the particles in the universe is still one of the great unsolved mysteries of present day sciences. The lack of experimental evidence, which could ...

Gravitational waves: Why the fuss? (Update)

Great excitement rippled through the physics world Thursday at the announcement that gravitational waves have been detected after a 100-year search.

Five myths about gravitational waves

The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had detected gravitational waves, which are ripples in space-time. Initially ...

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