The more our world fills up with junk, the more artists make supplies out of the detritus of our society. There are so many artists working with found object media now that there are ...

Although mass is the most important property of stars, it has proved very hard to measure for the lowest mass objects in the universe. Thanks to a powerful new camera, a very rare, low-mass companion ...

Speed can make objects act as if they have more mass, but can you ever make an object appear to have less mass? It’s true that speeding an object up to considerable fractions of the speed of light ...

Add Yahoo as a preferred source to see more of our stories on Google. The black ring and central dot show infrared image of a distant galaxy distorted by a gravitation lens. (CREDIT: Devon Powell, Max ...

Everything that physically exists has mass, but one big question that continues to baffle physicists is whether or not it's possible for an object to have negative mass. It may be possible for an ...

How do rogue planetary-mass objects -- celestial bodies with masses between stars and planets -- form? An international team of astronomers has used advanced simulations to show that these enigmatic ...

A: Astronomers can calculate mass in several ways. The simplest is when the object is part of a binary system. Regardless of the objects in the binary — two stars, a star and a neutron star, a star ...

A research group is reporting the detection of extragalactic planet-mass objects in a second and third galaxy beyond the Milky Way after the first detection in 2018. With the existing observational ...