For nearly a century, astronomers have been striving to measure the rate at which the Universe is expanding. Two main methods have been used: one based on observations of the cosmic microwave ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Last time I wrote about new data that overturns the standard cosmological model. Before anyone starts dusting off their ...

Edwin Hubble redefined the universe and Brazil declared a republic, amid other landmark events shaping history and science ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

Astronomers using the ultraviolet vision of NASA’s Hubble Space Telescope have captured one of the largest panoramic views of the fire and fury of star birth in the distant universe. The field ...

Different parts of the universe could have different rates of expansion, potentially explaining the perpelexing "Hubble tension." When you purchase through links on our site, we may earn an affiliate ...

A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Astronomers working hard at NASA have found a star that could be older than the universe. But is that even possibile? This ...

The wavelength range of this image stretches from ultraviolet to near-infrared light, capturing all the features of galaxy assembly over time. The faintest and farthest galaxies in the image are just ...