[Gamma-Ray Universe: Photos by NASA's Fermi Space Telescope] Extragalactic background light is, by definition, the portion of near-infrared, optical and ultraviolet radiation produced by stars ...

Even when you remove the bright stars, the glowing dust and other nearby points of light from the inky, dark sky, a background glow ... like those from the Hubble Space Telescope, to calculate ...

But the universe’s initial moments after the cataclysmic explosion, including how its earliest stars influenced the light we ...

magnifying the light from more distant objects in the far background to provide a deeper look back across space and time than would otherwise be possible. "The first images will include ...

When it launches in October 2018, the James Webb Space Telescope will become ... segment before adding a thin coating of gold. Gold reflects infrared light very well, so the thin gold layer ...

But that is what a band of astronomers has discovered, using cameras on the New Horizons spacecraft that once visited Pluto to measure the darkness of interplanetary space. “There’s something ...

Reviving an almost century-old hypothesis, a new study led by Rajendra Gupta at the University of Ottawa based on data from the James Webb Space Telescope ... the 'tired light hypothesis' in ...

Related: NASA’s PUNCH will study how the Sun influences the space around ... to bring out those background stars, which are otherwise blotted out by the bright zodiacal light generated by ...

Then physics says, 'Let there be light!,' and there actually is light—at one precise moment in time and point in space," says Prof. Alexander Szameit of the University of Rostock. These fleeting ...