Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

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

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...

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

"With ALMA, we can now see the atmosphere of a dying star with a level of clarity in a similar way to what we do for the sun." When you purchase through links on our site, we may earn an affiliate ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true.

Hubble unveils the “Lost Galaxy” as a vibrant spiral alive with newborn stars and glowing clouds of cosmic energy.

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

A New Jersey-bound airplane that suddenly plunged thousands of feet in the air — sending 15 people to the hospital in October — was likely struck by cosmic rays from a star that exploded in another ...

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.