Astronomers have made an unexpected and groundbreaking discovery in our solar system—a ring system forming around Chiron, a ...

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

The art world’s constellation cluster is a sprawling place that’s impossible for the earthbound to navigate. There are ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

HD 140283, better known as the Methuselah star, is around 200 light-years from Earth, in the constellation of Libra. It is ...

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

Astronomers discover a low-mass dark object through gravitational lensing and multiple radiotelescopes across Earth.

Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

The James Webb Space Telescope (JWST) has been busy, and honestly, it’s like getting a whole new set of eyes on the universe.

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...