Still weeks away from returning to office, Donald Trump is showing himself to be as petty and vindictive as he was in his ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn't just ...

Instead of relying on the unproven idea of dark energy, the authors argue that differences in kinetic energy expansion spread ...

Interactions between dark matter and dark photons during a "missing chapter" cosmic history could shed light on one of the ...