It is clear that human beings, throughout history, have always had a constant curiosity to discover everything that happens ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of the cosmic woods.

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

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The elliptical galaxy NGC 4660 is one of a hundred galaxies imaged by Hubble that are members of the nearest large galaxy cluster to Earth, the Virgo Cluster. NASA’s James Webb Space Telescope has ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble Space Telescope to capture hundreds of detailed images of our vast galactic ...

A century ago, Edwin Hubble first established that this so-called 'spiral nebula' was actually very far outside our own Milky Way galaxy -- at a distance of approximately 2.5 million light-years ...

A century ago, Edwin Hubble first established that this so-called "spiral nebula" was actually very far outside our own Milky Way galaxy —at a distance of approximately 2.5 million light-years ...