"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

Free-floating, planetary-mass objects that are just drifting carefree through the galaxy, untethered and starless, appear to be able to generate their own systems of moons, like a planetary system on ...

One of the boldest dreams in modern astronomy is the search for Earth-like worlds beyond our solar system. These exoplanets may hold oceans, rocky ground, and even atmospheres rich in oxygen or ...

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature. Astronomers generally consider water worlds to be among the most common types ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient origins and glimpsing the destiny that awaits it in the distant future ...

"At this point, we can rule out TRAPPIST-1d from a list of potential Earth twins or cousins." There's bad news for our hopes of habitable planets existing around TRAPPIST-1, with the James Webb Space ...