supernova

Newfound Star May Be Oldest in the Universe

The ultimate age barrier has been broken. The oldest living star in the entire universe may have been discovered—one formed only one or two hundred million years after the Big Bang itself. The ancient star, born some 13.6 billion years ...

Intense Starburst Spotted in Nearby Galaxy

Things are rocking right now in our own galactic neighborhood. Backyard telescope users already knew about the Cigar Galaxy, or M82, located in the Great Bear constellation, Ursa Major. Now it has two new cosmic secrets to explore. Two weeks ...

Watch Asteroid Take the Bull by the Horns

A glimpse of a large asteroid comes to delight sky-watchers this month, silently sailing its way through a cosmic bull’s horns and past a famous supernova remnant. In the next few weeks, the asteroid Herculina, the 532nd asteroid to ...

“Nearby” Supernova Has Astronomers Going Gaga

Something has lit up the Cigar Galaxy, astronomers report, and it looks like an exploding star. The increasing brilliance of the supernova has thrilled the stargazing community, potentially becoming a viewing target within reach of binoculars in the next few ...

Earth’s Gold Forged in Stellar Collisions

Until today, astronomers believed that all the gold on Earth, and in the universe, was forged in ancient supernova explosions. But new evidence points to a far more violent birth for this most precious metal. The new culprit is the ...