I’m continuing my cold-weather adventure in the Canadian sub-arctic on the shores of Hudson Bay. Day three and the images I’m capturing of polar bears have been mind-blowing. On two different ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

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

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 ...

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

Giant radio galaxies (GRGs) are massive, with plasma jets powered by supermassive black holes at their centers, stretching ...

was nearly a million light years away – too remote to be a part of the Milky Way. Hubble’s work opened the door to the study of the universe beyond our galaxy. In the century since Hubble’s pioneering ...

you might see the Milky Way as a faint band of thousands of stars. But these sparkling lights are just a tiny fraction of our cosmic neighborhood. Our galaxy is an incomprehensibly vast place ...