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 ...

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 ...

A telescope near Tucson has helped scientists produce the largest 3D map of the universe ever made and uncover confounding evidence that could change our understanding of dark energy.

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