"We are observing the build-up of one the largest structures in the universe, a city of galaxies in construction." ...

Using the James Webb Space Telescope, astronomers have discovered a fourth planet in Kepler-51, a sweet system of cotton ...

NEOWISE team members have unveiled six images from the spacecraft's archives to celebrate the late space telescope's long and ...

TheAtlPhoto is sharing a new image from a space telescope every day until December 25. On the fourth day, a string of ...

James Webb Space Telescope image of the stellar nursery N79 in the Large Magellanic Cloud, a satellite galaxy of the Milky ...

"We pushed our detection limit down to the brown dwarfs of the cluster, which are the smallest stars that can form!" ...

The teams behind two potential new space telescopes have embarked on their final design studies as they go head-to-head to ...

This week, the James Webb Space Telescope zooms in on the iconic Sombrero Galaxy, revealing the first-ever mid-infrared ...

The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how ...

The discovery of Kepler-51e sheds light on the unusual transit patterns of the system's existing super-puff planets.

The mid-infrared light image shows astronomical features that can’t be seen with visible light cameras or in previous ...

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.