The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...

The James Webb Space Telescope has observed the universe's earliest supernova. This event offers a rare glimpse into the early universe. It shows how ...

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

According to a radiation weather expert, a stream of high-energy particles from a supernova explosion may have triggered a ...

A faint flash from the cosmic dawn has revealed itself as the oldest supernova ever confirmed, its light having traveled 13 billion years to reach Earth. The James Webb Space Telescope captured the ...

Two new stars, or nova eruptions, have been resolved in unprecedented detail by six optical telescopes operating in unison as ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Some stars explode into a nova quickly; others can take more than a month. Scientists are only beginning to understand why.

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...