Chris Gunn—NASA “Part of our core science for Roman is to do surveys that allow us to measure the properties of very large numbers of galaxies throughout cosmic history,” says Schlieder ...

Shhh... don't tell your significant other. Fun and friendship can be so much more fun than high pressure romance.

The halo, known as an Einstein ring, encircles a galaxy 590 million light-years away, considered close by cosmic standards. A light-year is 5.8 trillion miles. Telescopes spy a monster radio jet ...