A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

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

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Astronomers have traced two mysterious fast radio bursts from space to wildly different places, which suggests the phenomenon ...

Hubble has previously imaged the same nebula, with an image released in 2023 and another shared in 2020. You might also recognize the name of this nebula as it was made world famous when the James ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Astronomers as far back as the mid-18th century ... galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away ...