"For the first time, we could trace the boundary between the gas residing in galaxies and the material contained within the cosmic web through direct measurements." Astronomers have imaged a ...

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 ...

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 ...

The story follows Hana, a girl who admires Dragonite, a postal worker. She gets a chance to work with Dragonite when she finds a letter without an address. Along with her Fuecoco, she sets out to ...