Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

Interstellar comets like 3I/ATLAS could serve as seeds for giant planet formation, potentially explaining how massive planets form around distant stars, according to BBC and Pfalzner’s research.

The interstellar comet 3I/ATLAS (C/2025 N1) is hurtling through the solar system and will be at its closest point to Earth ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.