Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

If an antimatter meteor came into our solar system, we’d definitely know about it, says one reader, especially if it hit the ...

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

Astronomers confirm that 3I/Atlas is still intact, despite viral posts claiming it was destroyed near the Sun.

Iapetus is one of the most bizarre worlds in the solar system, and every new image deepens the mystery. One side is almost ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

As a joke, she labelled it LGM 1 for “Little Green Men”, but the astronomers working on it did not really believe they had ...

A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become ...

Comet C/2025 V1 (Borisov), discovered by an amateur astronomer, is captivating scientists. Its unusual orbit initially ...

Pennsylvania lawmakers have been at an impasse on clean energy legislation for years. The lone exception—a $25 million bill ...