In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

This mystery arose more than 20 years ago when the Hubble Space Telescope spotted the oldest known planet, which was formed ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

NASA is launching a new space telescope more powerful than its James Webb counterpart which will be able to shed more light ...

SPHEREx is a groundbreaking NASA telescope that will map the entire sky in infrared, revealing insights into cosmic inflation ...

One of the key objectives of the new space observatory will be to search the Milky Way galaxy for essential building blocks ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

The 2025 US stamps offer up a lot of familiar faces, among them Betty White. We’ll always miss her.

For optical astronomy, the space station will be accompanied by the Xuntian telescope, which can be translated to “survey the ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...