Astronomers have discovered what may be the largest-scale structure in the known universe — a group of galaxy clusters and clusters of galaxy clusters that spans roughly 1.3 billion light-years ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network ... bending light and distorting distant sky images. The study noted that ...

Most nebula photographs you see use combinations of these narrow filters, so how these images look is very different from any unaided first-person view you’d get if you were physically floating ...

The largest known structure in the universe has been discovered by astronomers this month in a scientific breakthrough. It is 1.4 billion light years across and contains nearly 70 galactic ...

This composite picture of the Helix Nebula was assembled by astronomers by blenindg ultra-sharp NASA Hubble Space Telescope images combined with the wide view of the Mosaic Camera on the National ...