The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

Credit: NASA, ESA, CSA, T. Tsukui Many galaxies, including our own Milky Way, are characterized by a flat, extended, rotating stellar disk. These disk galaxies commonly contain two main parts: a thin ...