Learn how new high-resolution images of two nova eruptions offer fresh insight into how these stellar explosions release ...

This galactic collision might be more impactful than you think. Colombia’s president shares video of suspected US airstrike ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

This December's dazzling display comes from a strange asteroid with comet-like behavior—and a tail of debris that astronomers ...

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including ...