Astronomers find stream of gas—2.6 million light years long

(Phys.org) —Astronomers and students have found a bridge of atomic hydrogen gas 2.6 million light years long between galaxies 500 million light years away. They detected the gas using the William E. Gordon Telescope at ...

Comet joined by space probe after 10-year pursuit

Turning what seemed like a science fiction tale into reality, an unmanned probe swung alongside a comet on Wednesday after a 4-billion mile (6.4-billion kilometer) chase through outer space over the course of a decade.

Two teams pave way for advances in 2D materials

This month's headlines on two-dimensional polymers showed noteworthy headway. "2-D Polymer Crystals Confirmed At Last," said Chemical & Engineering News. "Engineers Make the World's First Verified, 2-Dimensional Polymers," ...

Merging galaxies illuminate the cosmic food chain

(Phys.org) —Scientists studying a 'twin' of the Milky Way have used the W. M. Keck Observatory and Subaru Observatory to accurately model how it is swallowing another, smaller galaxy. Their findings have opened the way ...

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