Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

A new NASA spacecraft has started tracking the particle streams that can make a massive solar flare dangerous while mapping ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Voyager has traveled farther than any human-made object, yet it hasn’t truly left the Solar System. The boundaries of our ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

An interstellar visitor is continuing to surprise scientists as it leaves the Solar System, with new observations revealing ...