Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

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This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...

The Adirondack Sky Center & Observatory is thrilled to be your guide to the skies. In this column, I’ll be clarifying some of ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

Scientists have observed for the first time a ring system in the process of formation and evolution, surrounding a small icy ...

Just a few weeks ago, we crossed the significant milestone of 6,000 known exoplanets. The counter keeps getting higher, and there are 8,000 more candidates waiting for confirmation. In the decades ...