Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Looking at a distant galaxy means looking back in time.

The Milky Way is our galactic home, but just how big is it?  Dive into this fascinating exploration of the galaxy's size, ...

But around the cosmic time that we are seeing the Firefly Sparkle, Milky Way-like galaxy progenitors were about 10,000 times less massive than today’s Milky Way. Hopefully with the collaboration ...

For the first time, NASA's James Webb Space Telescope has detected and "weighed" a galaxy that not only existed around 600 million years after the big bang, but is also similar to what our Milky Way ...

Astronomers uncover a young galaxy similar to the Milky Way, shedding light on its early formation just 600 million years ...

On New Year’s Day, 1925 attendees at an astronomical conference heard one of the most influential scientific presentations of ...

It has a mass equal to about 10 million stars the size of our sun ... with what we'd expect for a Milky Way ancestor at that early time. At this stage, the galaxy was about 10,000 times less ...

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are ...

This lightweight galaxy, brimming with sparkling star clusters, offers a glimpse into the Milky Way's infancy.

but also has a mass that is similar to what our Milky Way galaxy's mass might have been at the same stage of development. "I didn't think it would be possible to resolve a galaxy that existed so ...