Hydrogen, the lightest element on the periodic table, is a master of escaping almost any container it's stored in. Its ...
Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...
Axions are hypothetical light particles that could solve two different physics problems, as they could explain why some ...
The expansion of the universe was not accelerating but was rather slowing down and at a rate much faster than expected, a new ...
They believed that the indefinite expansion would spread the stars so far apart that the sky would appear dark throughout and ...