A look at Edwin Hubble’s role in confirming that the Andromeda Galaxy lies beyond the Milky Way, helping expand our ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky Way season," is beginning.

It is located about 25 million light-years from Earth in the constellation Ursa Major.

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...