In the chaotic first moments after the Big Bang, ripples in spacetime may have done more than just echo through the ...

It does not resolve the discrepancy, but it gives physicists one more data point in their ongoing quest to nail down a more ...

Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, ...

Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely ...

New ‘gravity mapping’ hardware could lead to new submarine navigation, ground-penetrating geological sensors, and aerial ...

Galaxies, including the one we call home, are within halos of dark matter. But what exactly dark matter is remains something ...

After a 10-year effort, physicists got a value for “Big G” that does not settle the debate over one of nature’s hardest ...

With the launch of Space Warps, a new citizen science project on the Zooniverse platform, you can now join in the search to ...

Add Yahoo as a preferred source to see more of our stories on Google. A soaring cosmic symphony surrounds us; its notes emerge from massive celestial objects crashing together hundreds of millions or ...

About a year ago, LIGO, the Laser Interferometer Gravitational Wave Observatory, announced they had discovered gravitational waves. It was perhaps the biggest science story of 2016, in part because ...

When you travel through the Universe, it isn't just a free ride through empty space. Although you might not think about it very often, there are forces arising from the presence of everything else, ...