Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

The search for life beyond Earth has followed a familiar logic: find a rocky planet orbiting in the habitable zone, where ...

An exoplanet, TOI-5205 b, which is almost as large as Jupiter, orbits a small red star. By many estimates, this red star ...

In general, anything larger than 13 times the mass of Jupiter has been deemed a brown dwarf, as these objects should be able ...

Planets are born from the rotating disk of gas and dust that surrounds a star in its youth. While it is commonly accepted that giant planets form in these cloudy disks that result from the birth of ...

Exoplanet TOI-5205 b is weird for a bunch of different reasons, and now we can add its low metallicity to that list.

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new ...

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...

This letter report reviews the science goals of the current Terrestrial Planet Finder (TPF) project as well as NASA’s plan for acquiring the necessary precursor knowledge to successfully meet those ...

On the steps of the U.S. Capitol on a balmy October morning, a crowd of people sporting “Save NASA Science” buttons buzzes with anticipation. Among them stands Eli Orland, who likens America’s space ...

One of the coolest celestial events is happening this week, where six planets will be visible in the night sky at the same time. This phenomenon, known as a planet parade, occurs only a few times each ...

The idea of a planet orbiting two suns has long captured both scientific curiosity and public imagination. Popularised by ...