Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

Since the discovery of the acceleration, theorists have calculated that the universe will continue to expand faster and ...

As a woman, she couldn’t use the observatory’s telescope. Rather, she studied photographic plates taken with Harvard’s Boyden ...

When we go backwards in time through the history of the cosmos, the distances and volumes shrink, while the average energy ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit ...

It seems like almost yesterday that a teacher told me when I was very young, that the Milky Way was the very end of our ...

Stellar Stories Hera spacecraft launched The European Space Agency's Hxera spacecraft launched on October 7, initiating an ...

A century ago this month, a brash astronomer leaked a discovery that opened our view to the cosmic distance scale and the ...

On the first page, reporter Clark Kent, Superman’s alter ego, covers the launch of a new NASA satellite while onboard a space ...

Although born in Missouri, in the U.S., Hubble affected a stilted English upper-class accent and was a master of self-promotion. In his pictures, he is always decked out in suit and tie and striking ...

The Hubble Telescope’s "Pillars of Creation" captures towering gas and dust columns in the Eagle Nebula, where new stars are born. The Helix Nebula, known as the "Eye of God," is one of the Hubble ...