Supermassive black holes rarely travel alone. Most large galaxies hide one at the center, and when galaxies collide, the two ...

Supermassive black hole binaries form naturally when galaxies merge, but scientists have only confidently observed a very few of these systems that are widely separated. Black hole binaries that ...

NASA is quietly entertaining one of the most audacious telescope concepts ever proposed: using the Sun itself as a giant lens ...

"It highlights gravity's possible hidden complexity and invites a reevaluation of where dark matter effects originate." ...

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Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...

Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational lensing, according to Durham University. Credit: Durham University ...

When it comes to the question of the expanding Universe, all observations agree that yes, the Universe is indeed expanding, in agreement with Edwin Hubble’s earliest observations dating all the way ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true. Space is stretching faster today than in the past, and the precise ...

Decades after it became clear that the visible Universe is built on a framework of dark matter, we still don’t know what dark matter actually is. On large scales, a variety of evidence points toward ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Gravitational lensing occurs when things with mass create ripples ...