The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the ...

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

In calculating the size of the visible universe, astronomers including Edwin Hubble and Georges Lemaître discovered that light from distant galaxies was redshifted, with an increase in wavelength ...

Spiral galaxy NGC 5643: This NASA/ESA Hubble Space Telescope image features the glorious spiral galaxy NGC 5643, which is located roughly 40 million light-years away in the constellation Lupus ...

Firstly, evidence from the afterglow of the Big Bang – known as the Cosmic Microwave Background (CMB) – shows the expansion of the early Universe is at odds with current expansion, an anomaly known as ...