Astronomers from the Chinese Academy of Sciences (CAS) have employed the Lijiang 2.4-m telescope to perform optical ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

This unique interaction explains why the remnant appears much older than it is, finally reconciling ancient observations with modern X-ray data to solve this celestial mystery. For nearly twenty ...