At the heart of most large galaxies sits a supermassive black hole. They’re the most massive objects in the universe, ...

We asked 100 scientists about unsolved problems in their fields. They sent back provocations — on the origins of life, the ...

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Even though we can explore the universe with great precision, there is still a lot we don't know, according to Ulf Danielsson, professor of theoretical physics at Uppsala University. Besides doing ...

Measurements of ancient light from the cosmic microwave background suggest that the universe is remarkably flat. But that ...

NEVER SAY physicists have no sense of humour. A topic that can dub fundamental particles “strange”, “charm”, “truth” and “beauty”, and propose that such objects are stuck together with bits of ...

The Universe is big, as Douglas Adams would say. The most distant light we can see is the cosmic microwave background (CMB), which has taken more than 13 billion years to reach us. This marks the edge ...

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There is a new exhibit at the University of Arizona Flandrau Science Center and Planetarium: Universe of Science. It features a variety of interactive activities for people of all ages to learn about ...