Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

The data revealed that gas from HW2's accretion disk is collapsing inward at breakneck speed, feeding the star at an ...

Researchers have discovered that Cepheid variable stars in our neighboring galaxy, the Small Magellanic Cloud, are moving in opposing directions along two distinct axes. They found that stars closer ...