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Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

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Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

As Hubble marks three and a half decades of scientific breakthroughs and technical resilience, the "Hubble at 35 Years" ...

In a groundbreakingrelease on July 7, 2025, NASA showcased extraordinary images from its Hubble and Webb space telescopes ...

This predictable change helps astronomers calculate their distance from Earth. Hubble used a Cepheid star's distance to prove Andromeda was a separate galaxy.

The 47% budget cut would obliterate NASA's science program, experts say.