Take a deep breath: the universe is not just big it’s mind-bogglingly, practically scandalously huge. And it’s growing. A century ago, Edwin Hubble peered through his telescope and shattered human ...

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

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the ...

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

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

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

This is the light echo of the Big Bang, the first light that freely moved through the universe. This relic is crucial to our ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to calculate ...

The Hubble Space Telescope viewed as it orbits Earth. NASA's school-bus-sized telescope won't quit. "The clouds are being eroded and shaped by the seething radiation from the cluster of larger stars ...

Origins -- Spaceship Hubble -- Hubble vision -- Planets -- Stars & nebulae -- Galaxies -- Black holes -- The dark cosmos -- Optical illusions -- Hubble's future ...

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