New observations from the James Webb Space Telescope back up previous findings from the Hubble telescope that contradict ...

Astronomers say they are close to solving an intergalactic mystery about the creation of the universe's biggest galaxies ...

Researchers have identified the birth sites of massive elliptical galaxies, providing new insights into their formation which ...

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The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

A dense cluster of bright stars, each with six large and two small diffraction spikes, due to the telescope’s optics.

JWST researchers reported on measurements built on last year's confirmation based on Webb data that Hubble's measurements of ...

The expansion of the universe is, in some ways, similar. But this analogy gets one thing wrong — while the dough expands into the baking pan, the universe doesn't have anything to expand into.

Researchers have discovered that old elliptical galaxies can form from intense star formation in early galaxy cores. This ...

When the James Webb Telescope came online in 2021, it promised to give a clearer picture of the universe that could help ...