Dark matter, a mysterious substance thought to make up most of the universe's mass, has puzzled scientists for nearly a ...

We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by ...

Long-anticipated findings confirm eclipses create a ripple effect in Earth's atmosphere.

"The presence of an LVZ at the lower base of the lunar mantle may be most readily explained by partial melt in an ...