The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...