The spacecraft bus that will deliver NASA's Nancy Grace Roman Space Telescope to its orbit and enable it to function once ...

James Webb Space Telescope finds clues about a pair of faraway, interacting galaxies that trace a distinct question mark in ...

In a rare and extraordinary discovery, researchers have identified a unique configuration of galaxies that form the most ...

Hubble Space Telescope image of the Carousel Lens, taken in two 10-minute exposures, one using an optical filter and another using an infrared filter. The “L” indicators near the center (La, Lb, Lc, ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...