Solar flares can reshape exoplanet atmospheres within days, affecting temperature, winds, and potential habitability.

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

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

In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial objects, opening the ...

After 30 years, Hubble is still revealing new mysteries of the universe. Operating far past its expected life span, the telescope captures data that answer some of space’s biggest questions ...

A grand spiral galaxy takes center stage in a new image from the Hubble Space Telescope. The galaxy, known as NGC 5643, is ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

Scientists have made a new calculation of the speed at which the universe is expanding, using the data taken by the powerful new James Webb Space Telescope on multiple galaxies. Above, Webb’s ...

For space fans, June has something extra to enjoy, as NASA recently released “Cosmic Dawn,” a new “intimate access” documentary all about designing and assembling the James Webb Space ...