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Sometimes even the biggest stars in Hollywood can't help but get extremely excited when they meet their favorite actors and musicians.
A rare chemical that helped DNA form may have come to Earth on comets from newborn stars, astronomers find
Phosphorus is key in forming DNA, but the element is rare in the universe. Astronomers found molecules forming with the element around newborn stars
A meteor that struck Australia brought indestructible stardust more ancient than the sun. It’s the oldest solid material ever found on Earth.
In 1969, a meteorite broke into pieces above Murchison, Australia. The fragments contain grains of stardust up to 7 billion years old.
Young stars at the edge of the Milky Way appear to have come from 2 nearby galaxies. That means a galactic collision could happen sooner than predicte...
The arrival of new stars from other galaxies heralds a collision. But it could help the Milky Way "thrive," according to a physicist.
Betelgeuse likely won’t die as a supernova in your life. But astronomers are finding ‘red nova’ stars that may soon violently explod...
Red novas are more frequent explosions of stars, and astrophysicists think they've found a new way to locate candidates and predict when they'll blow.
This was a year of photographic firsts, from the very first image of a black hole to the world's first photo taken on the far side of the moon.
100 red objects in deep space vanished over the last 70 years. A group of scientists say giant alien-built structures could be to blame.
If alien technology isn't involved, the scientists say, they may have found the first evidence of stars collapsing into black holes with no explosion.
Astronomers accidentally discovered an invisible ‘monster galaxy’ from the beginning of the universe
The new galaxy, which appears to have grown rapidly at the beginning of the universe, could help astronomers solve a long-standing mystery.
Celebrities don't always manage to hold onto lasting careers in show business — here's what some former stars got up to after leaving fame behind.
Astronomers have observed the longest supernova ever seen. The mysterious explosion might have annihilated its star, leaving nothing behind.
Scientists think this "incredible mystery" may be the first observation of a rare type of supernova that completely destroys its star.