For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive than planets but too small to ignite nuclear fusion like true stars. Through a ...

Brown dwarfs are often called “failed stars.” They form like stars but are not massive enough to fuse hydrogen into helium as stars do. More like giant planets, brown dwarfs can often have storms in ...

In the past month, Earth experienced some of its shortest days on record. The planet spun quickly enough to shave 1.4 milliseconds off of its usual 24-hour day. These natural accelerations in Earth’s ...

Heavier than Jupiter, but lighter than a small star, brown dwarfs are difficult to distinguish from giant planets. For years, astronomers have searched for a yardstick that can separate the giant ...

Mark Serrels is an award-winning Senior Editorial Director focused on all things culture. He covers TV, movies, anime, video games and whatever weird things are happening on the internet. He ...

WASHINGTON (Reuters) - Some planets are just flipping backward. Of the more than 500 planets detected around stars besides our Sun, the vast majority appear to spin the same way the star does, ...

A new method for "weighing" the planets in our solar system one that relies on the radio signals delivered from highly magnetized spinning stars has been developed by an international research team.

The classical picture of star and planet formation suggests that a star’s rotational axis and the orbital planes of its planets should be aligned. However, exoplanetary systems have considerable ...