Some scientists insist all dark matter is cold, while others argue that there is more than one type. While CDM isn’t saying this invisible matter is totally motionless, it does not allow for ...

Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...

Winter May Seem Cold, But It's Nothing Compared To Outer Space Winter is coming, but even the coldest places on Earth do not compare to how ... Although temperatures plummet on the dark side of the ...

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for the cold dark matter of the universe are primordial black holes—black ...

Based on the new model, the first of these white dwarf explosions isn’t due for at least 10 1100 years. That’s a 1 followed by 1,100 zeros—a number so big that we don’t have a name for it.