In 2002, when astronomers first detected cosmic gamma rays coming from the constellation Cygnus, they were surprised and perplexed. The region lacked the extreme electromagnetic fields that they ...

A dark, spider-shaped cloud of cosmic gas blocks out light from stars in a new image taken by a telescope in the Southern Hemisphere. The amazing photo, taken by a telescope at the European Southern ...

Astronomers using data from NASA’s Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all the ...

From their laboratories on a rocky planet dwarfed by the vastness of space, scientists have collaborated to measure all of the starlight ever produced throughout the history of the observable universe ...

The light-year-long squiggle of gas and dust known as IRAS 20324+4057 has been compared to a caterpillar — and like a caterpillar, it's in the midst of a metamorphosis. What kind of stellar creature ...

There are a lot of things that generate an observable signal in the Universe. Astronomically, the primary way we search for those signals is through some form of light. Either the physical phenomenon ...

Astronomers using data from NASA’s Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all the ...

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