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You might think we know the solar system pretty well, but there's a lot more to our cosmic neighborhood than initially meets the eye (or telescope). Most of the good stuff, such as the planets, moons ...

On October 17 and 18, 2017, an unusual object sped across the field of view of a large telescope perched near the summit of a volcano on the Hawaiian island of Maui. The Pan-STARRS1 telescope was ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast moving body using the world’s most powerful telescopes. It was found to be ...

A group of astronomers from across the globe have revealed new research showing that millions of new solar system objects will be detected by a brand-new facility, which is expected to come online ...

Primitive ices and gas from the earliest days of the solar system can remain trapped inside deep-space objects like comets and Kuiper Belt Objects (KBOs) for billions of years. That’s the conclusion ...

CAMBRIDGE, England–When planetary scientists announced on July 29 that they had discovered a new planet larger than Pluto, the news overshadowed the two other objects the group had also found. But all ...

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in this ...

A Mashable series about the curious space rocks hurtling through our solar system, and how humanity is on the lookout for new ones. They're trapped. Two swarms of curious, diverse space rocks — called ...