How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

This animation shows the observations of comet 3I/ATLAS when it was discovered on July 1, 2025. The NASA-funded ATLAS survey telescope in Chile first reported that the comet originated from ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...