New work offers fresh evidence supporting the supernova shock wave theory of our solar system’s origin. According to one longstanding theory, our Solar System’s formation was triggered by a shock wave ...

New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this summer. Since then, they've been racking their brains, trying to understand ...

The early solar system is still a bit of a mystery to scientists, but the secret to learning Jupiter's origins might be ...

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can ...

New simulations suggest that Mercury's formation could be the result of a rare collision between two celestial bodies of ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead of a typical planet-moon setup, Pluto and Charon became a binary system.