The solar system's greatest mystery may finally be solved

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective ...

New study offers a double dose of hot Jupiters

Yale astronomers may have discovered the origin story for one of the universe's most dazzling phenomena—the double hot Jupiter—as well as a plan to find more of them.

The first images from Vera Rubin telescope are about to drop

In the early 1600s, Dutch spectacle maker Jan Lippershey discovered that combining lenses could magnify distant objects. Galileo Galilei quickly improved the designs and became the first to explore the heavens, revealing ...

Image: Exoplanet GJ504b, 'second Jupiter' directly observed

GJ504b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the lowest-mass planet ever directly imaged. This faint and cold planet, often referred ...

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