Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

The launch window for a small satellite developed in partnership with Lawrence Livermore National Laboratory (LLNL) opened this week at Vandenberg Space Force Base in Santa Barbara County.

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...