My laser is as essential as my loupes or handpiece, and I can’t live without them’ – why forward-thinking dentists invest in ...

Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...

As the Universe cooled, protons and electrons combined to form neutral hydrogen gas, setting the stage for cosmic dawn. Scientists ... The dense cluster magnified light from distant dwarf galaxies ...