From the churning storms of Jupiter's Great Red Spot to the violent aftermath of a supernova, the universe is alive with change. Using decades of images from powerful telescopes, scientists have ...

In a series of observations that read like science fiction, astronomers now suspect they have watched a star quite literally ...

Nandkumar M. Kamat The Star of Bethlehem remains a unique focal point in scientific inquiry, occupying a rare intersection of ...

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

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

PSR J2322-2650 b is pulled and stretched with a lemon-like appearance due to the immense gravity that surrounds it. The gravity is so strong that the planet cannot retain its spherical shape. Instead, ...

Fear not: for, behold, I bring you good tidings of great joy, which shall be to all people. Luke 2:10 ...

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

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...