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 ...

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 ...

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

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 ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

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 ...

"Please make Pluto a planet again. I really want it to be a planet again," Kayla begins, eliciting a response from the NASA ...

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 ...

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 ...