"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been ...

With its origins tracing back to the 1970s, the Hubble Space Telescope was launched aboard the space shuttle Discovery on ...

An extreme protocluster gathering of infant galaxies is hiding a vast cosmic fuel tank that is powering 400 million years of ...

The cluster, full of more than 2,500 newborn stars that blaze blue in the Hubble image, is in a galaxy with far fewer heavy chemical substances than the Milky Way. It's mostly made of hydrogen and ...

"A supercomputer simulation shows many galaxies merging over time. The parts of galaxies we can see are glowing stars forming from gas in their central parts. Visualizations like these inform ...

The easiest way to time travel is more simple than you realise - and it doesn't involve any fancy equipment, say scientists.

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky this week.

In a study published in The Astrophysics Journal, a Michigan State University researcher used the NASA Chandra X-Ray ...

In 1923, Edwin Hubble captured a pulsing star within the Andromeda Galaxy ... This way, multiple telescopes could always keep M87 in their sights. When the galaxy set over the horizon for one ...