Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Astronomers have identified what they believe to be the largest structure in the universe to date. Named "Quipu" after the ancient Incan method of record-keeping, this colossal superstructure ...

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

Nature of the nebulae In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars ... time the largest in the ...

Astronomers have discovered the largest-scale structure in the known ... across which is over 13,000 times the length of the Milky Way, according to a report in Live Science.

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

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

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Toward the end of the 18th century, astronomer William Herschel used star counts to map out the Milky Way. He cataloged a ... at the time the largest in the world. He began taking photographic ...