Physicists have set a new upper limit on the mass of neutrinos. And the finding could poke a big hole in the Standard Model ...

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, ...

Scientists from the KATRIN experiment have achieved the most precise upper limit ever recorded for the mass of the mysterious ...

The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing ...

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 ...

Mass balance ensures that the carbon formerly ... individual elements can vary a great deal between nonliving and living matter (Figure 5). Life on Earth depends on the recycling of essential ...

how gravity can exist without mass, providing an alternative theory that could potentially mitigate the need for dark matter.