The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

REx reveals asteroid Bennu contains life's building blocks, shedding light on Earth's origins and the potential for extraterrestrial life.

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

The James Webb Space Telescope has captured stunning images of Sagittarius B2, a massive molecular cloud near the Milky Way's ...

A spectacular supermoon and the first meteor shower of the new year will soon appear in the California night sky. The ...

From lunar flybys and towering robotic landers to rare eclipses and dazzling supermoons, 2026 is shaping up as a banner year ...

January 2026 full moon is set to usher in the new year. Here's when it rises and why it is called the "Wolf Moon".

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean ...

The universe has likely shifted from a period of acceleration to a phase of deceleration, new study by Korean researchers ...