Do ocean worlds have smaller habitable zones?

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres. There are no confirmed hycean worlds but many candidates. Even though they're only candidates so far, ...

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.

Another tether deorbiting test mission takes shape

More and more satellites are being added to low Earth orbit (LEO) every month. As that number continues to increase, so do the risks of that critical area surrounding Earth becoming impassable, trapping us on the planet for ...

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 ...

Using a space elevator to get water off Ceres

We might not currently have any technology that would make a space elevator viable on Earth. But that doesn't mean they wouldn't work on other bodies around the solar system. One of the most interesting places that one could ...