Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

The Alpha Capricornids and Southern Delta Aquariids meteor showers, which will both peak July 30, also coincide with a third ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our night sky. As soon as it gets dark ...

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in the Pottsville night sky. As soon as it ...

In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.