Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

Matter is defined as that which 1) has mass and 2) has volume or takes up space. Mass is an intrinsic property whose base SI unit is the kilogram (kg).

The invisible dark matter is one of the universe's biggest mysteries, and its existence is confirmed only by the ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

Inspired by superconductivity, a strange new theory that seeks to explain dark matter might explain dark energy, too ...

Learn about dark matter and dark energy. A simulation of the dark matter distribution in the universe 13.6 billion years ago. Illustration courtesy Volker Springel, Max Planck Institute for ...

Albert Einstein’s famous formula established the interchangeability of mass (matter) and energy in 1905. In 1945, this equivalency was demonstrated to all with the detonation of the first atomic ...

Previously, she was a science writer at CNET, and before that, reported for The Academic Times. ... Relativity does not require mass/matter for curvature/gravity to be present.

Around 68 percent of the remaining mass is dark energy, with just five percent left to ordinary “baryonic” matter, which are the objects we can directly observe.

But as usual in science, there's more to the story. Forces and Fields On human scales of mass and distance, matter obeys the laws of motion described by Sir Isaac Newton.