Planetesimals are among the first solid bodies to form as dust and pebble-sized material clumps together under gravity. Much like snowflakes compressed into a snowball, they are loose aggregates ...

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

A NASA animation has sized the biggest black holes known to scientists, including one that has the mass of 66 billion Suns.

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were never clear. Now a student at Michigan State University has created the first ...

A new study on Saturn's largest moon, Titan was conducted by SETI Institute. Scientists believe Titan could be the result of a colossal moon merger billions of years ago, potentially explaining its ...

Titan, the largest moon of Saturn, may have been even more instrumental to the system’s evolution than we thought, forming ...

From gamma ray bursts and supernova explosions to black holes and unknown alien life, we rank the scariest things in the ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes ...

The Milky Way is not the serene, flat disc that textbook illustrations suggest. Astronomers have confirmed that the outer edges of our galaxy’s disc are warped and that this deformation rotates slowly ...

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

Long strands of glowing gas stretch behind a distant galaxy, dotted with pockets of newborn stars. The shape looks almost ...

Astronomers have puzzled for decades over how massive elliptical galaxies appeared so early in cosmic history. The standard picture suggests large galaxies slowly assembled through repeated mergers ...