What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

You’ll see some irregular galaxies that look like nothing, and some barred spirals that look like everything. Along the way, you’ll learn about what kinds of stars make up each kind of structure, and ...

Lacki suggests detecting the combined glow of the emissions of several civilizations. It’s an approach that comes with its ...

The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow bigger and bigger until they become the giant galaxies we see in the modern ...

An analysis of the afterglow of the big bang sheds light on how black holes distribute mass in the universe and why some ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of ...

New radio astronomy results reveal how galaxies exchange gas with the intergalactic medium – the raw material for stars and ...

On Oct. 4, 1923, Edwin Hubble took a photographic plate of the Andromeda Nebula (as it was known then) using the 100-inch Hooker telescope at Mount Wilson. The next night, Oct. 5th, he took another ...

A vast river of neutral hydrogen bridges two galaxies that are beginning to enter the monstrous Virgo Cluster, and this ...