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

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4 percent agreement, and 58.2 ...

In a study published in the Astrophysical Journal, a team of researchers led by Kristen McQuinn, a scientist at the Space ...

Astronomers detected light from galaxy GHZ2, 13 billion light-years away, revealing insights into early universe formation.

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have ...

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

To make the historic discovery, the team of researchers turned to NASA's James Webb Space Telescope and its high-resolution ...