The Sombrero galaxy, or Messier 104 or M104, is roughly 30 million light-years from the Earth in the Virgo constellation.

Vesto Slipher was not well known, but his groundbreaking observations helped uncover one of astronomy’s most fundamental ...

NASA released its "Astronomy Picture of the Day"—actually a combo of two pictures, taken two decades apart. The first is a 20 ...

Magnetic Tornadoes Researchers have observed mysterious, "dark ovals," each roughly the size of the Earth, dotting the polar ...

Vega, located in the constellation Lyra, is the fifth-brightest star in the night sky. It is known to be surrounded a disk of particle debris that's almost 100 billion miles (160 billion kilometers) ...

Scientists used the Hubble Space Telescope to observe a star with a planet-forming disk that gets to absolutely scorching ...

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making ...

Using a groundbreaking new technique, researchers have unveiled the first detailed image of a photon — a single particle of ...

Advising readers to scan the night sky this time of year always feels a little awkward, because the Pacific Northwest’s ...