(More on that in a moment.) But as usual in science, there's more to the story. On human scales of mass and distance, matter obeys the laws of motion described by Sir Isaac Newton. Chief among ...

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...

Perhaps one of the most surprising discoveries of the 20th century was that this ordinary, or baryonic, matter makes up less than 5 percent of the mass of the universe. The rest of the universe ...

Part of science is learning how to ask questions and make observations about our world. Everything around us is made from matter. Matter is anything that has mass and takes up space. Learning how to ...

A mysterious phenomenon at the centre of our galaxy could be the result of a different type of dark matter.Dark matter, the mysterious form of ...

For decades, people have been trying to directly detect dark matter: the missing mass in our universe. Now, there's a new, ...

Within the Dark Energy Spectroscopic Instrument's early data, scientists have uncovered the largest samples ever of intermediate-mass black holes ... Office of Science. DESI is mounted on the ...