The object is far outside our galactic neighborhood, possibly billions of light-years away. But astronomers have seen similar objects closer to home. This glowing red question mark was captured in the ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A cosmic object in the shape of a ...

Late last month NASA and ESA released a swirling infrared vista capturing an evolutionary snapshot of the formation of two nascent stars, known collectively as Herbig-Haro 46/47. As reported by Space ...