When the Hubble Space Telescope observed one orbit of the exoplanet, which takes 8.46 days, everything seemed normal. Then, the telescope revisited the system for another look a year and a half later.

Hubble captures forgotten globular cluster ESO 591-12 in rare detail ESO 591-12 sparkles with red and blue stars of varying ...

Its color is actually caused by the effects of a 2,000 degree Fahrenheit (1,093 Celsius) atmosphere where rock-forming ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle, which delivered Hubble to space 35 years ago, and it's no secret why ...

The James Webb Space Telescope has discovered its first exoplanet, astronomers said Wednesday, capturing rare direct images ...

Over its lifetime, NASA's Hubble Space Telescope has captured many stunning images. Among the most memorable is this edge-on mosaic of the Sombrero galaxy.With its relatively high brightness ...

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is ...

Astronauts repaired and upgraded NASA's Hubble Space Telescope over the course of five servicing missions from 1993 to 2009. Could yet another astronaut visit be in the cards?

By Ashley Strickland, CNN (CNN) — The Hubble Space Telescope captured an unexpected observation of a nearby planet that’s having its atmosphere blasted away by energetic outbursts from its ...

French experts have made an unprecedented discovery with NASA's James Webb Telescope after stumbling across an exoplanet ...