Survey of distant galaxies sets limit on cosmic strings – Physics World

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Unraveling the Universe: Groundbreaking Measurement Shakes Up Physics

Astronomers See Evidence of Something Unexpected in the Universe

NASA Telescopes Discover Record-Breaking Black Hole - Austin County News Online

Astronomy: Everything you need to know

Does a Parallel Universe Really Exist?

Ask Ethan: How do we know the Universe is 13.8 billion years old?, by Ethan Siegel, Starts With A Bang!

What happens to galaxies on the far edge of the observable universe? Will they gradually disappear, over long periods of time, as the expansion of space moves them beyond the point where

Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos: Michio Kaku: 9781400033720: : Books

Cosmic 'necklace' of stars may have formed after powerful black hole outburst

What is the universe made of?, Center for Astrophysics

Looking for strings inside inflation