What If on MSN
Physicists explain Earth’s chances against a black hole
Imagine looking up at the night sky and learning that a black hole is racing toward Earth at nearly the speed of light. Not a ...
Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can ...
Black holes are regions in space where gravity is so strong that nothing, even light, can escape. Einstein's theory of ...
Morning Overview on MSN
A sleeping supermassive black hole just roared back to life and erupted like a cosmic volcano — radio telescopes caught its jets firing across deep space
Somewhere in the distant universe, a supermassive black hole that had gone quiet for millions of years has switched back on.
Scientists have developed a new technique that could turn black hole collisions into cosmic detectors for dark matter, ...
At some 60 billion times the mass of the sun, this dark void could be home to a pair of black holes that are due for a cosmic ...
In a patch of sky about 1.2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in a merger, and all three of their central supermassive black holes are ...
Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...
LOS ANGELES — Astronomers have spotted the largest and most distant flare ever observed from a supermassive black hole. Nicknamed "Superman," the flare originated 10 billion light-years from Earth, ...
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