It's equivalent to the glow of 10 fireflies spread across the entire night sky. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Did someone leave ...

The night sky may appear like an inky black canvas, but astronomers are still attempting to answer the questions: “how dark can the night sky get?” and “will there be any light leftover after that?” ...

How dark is space? That’s a question that some astronomers are trying to answer. To do so, they sorted through 200,000 archival images from NASA’s Hubble Space Telescope and made tens of thousands of ...

From Dean Devlin, the creative mind behind Independence Day and Stargate, comes a new sci-fi adventure set in deep space. The Ark takes place 100 years in the future, as the crew of the Ark One sets ...

The New Horizons spacecraft has spotted an ultraviolet glow that seems to emanate from near the edge of the solar system. That glow may come from a long-sought wall of hydrogen that represents where ...

Someone forgot to turn the lights out. Astronomers have detected a residual “ghostly glow,” tainting the near pitch blackness of the sky, after painstakingly analyzing 200,000 images captured by the ...

Interstellar comet 3I/ATLAS shows odd traits—anti-tail, strange acceleration, unusual chemistry—prompting scientists to warn ...

Researchers using data from the Hubble Space Telescope have made a strange discovery: a “ghostly light” surrounding our solar system. When light from stars, planets, and even the glow of starlight ...

A group of astronomers sorted through 200,000 images from NASA's Hubble Space Telescope in order to look for any residual background glow in the sky. The highly-ambitious project called SKYSURF, found ...

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

Imagine walking into a room at night, turning out all the lights and closing the shades. Yet an eerie glow comes from the walls, ceiling, and floor. The faint light is barely enough to see your hands ...