Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

For the first time, astronomers have spotted enormous, galaxy-scale shock waves rattling the "cosmic web" that connects nearly all known galaxies. These cosmic waves could reveal clues about how the ...

A team of astronomers from the International Center for Radio Astronomy Research (ICRAR) has released new data from an ...

The universe could be younger than we think, based on the motions of satellite galaxies that reveal how recently they have fallen into a galaxy grouping. According to measurements of the cosmic ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

After the Big Bang, the universe expanded and cooled sufficiently for hydrogen atoms to form. In the absence of light from the first stars and galaxies, the universe entered a period known as the ...

Astronomers have discovered the most distant barred spiral galaxy, similar to the Milky Way, that has been observed to date. Using the James Webb Space Telescope, an international team, including ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers first ...

An international research team led by UCLA astrophysicists has confirmed the existence of the faintest galaxy ever seen in the early universe. The galaxy, called JD1, is one of the most distant ...