New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Known as the "Parade of Planets," the celestial event will feature appearances from Mars, Jupiter, Uranus, Venus, Neptune and ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

A way to find the planets is to look for how they shine. They appear as a steady light, while stars appear to twinkle.

Moving at roughly 20,505 miles per hour along the distant world's equator, it’s the fastest known jet stream that wraps ...