Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty protoplanetary disks that give birth to planets of all kinds. And when a star ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy.

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

Most of the exoplanets we’ve discovered have been in relatively tight orbits around their host stars, allowing us to track them as they repeatedly loop around them. But we’ve also discovered a handful ...

Daniel Apai is a professor of astronomy, planetary sciences and optical science at the University of Arizona. He receives funding from NASA. Exoplanets are worlds that orbit other stars. They are very ...

February's full "Snow Moon" will be at its fullest on Sunday, Feb. 1, and will be best seen at moonrise. It will appear just ...

NASA’s Hubble Space Telescope has captured a trio of young stars in the process of becoming their best selves in the ...

Add Yahoo as a preferred source to see more of our stories on Google. This rogue planet likely formed within a traditional planetary system before gravitational interactions—perhaps with a massive ...

Not all planets are small compared to stars. Some grow so massive they approach stellar size, challenging how astronomers classify objects in space. These extreme worlds blur the boundary between ...

This artistic impression shows the collision of two planetesimals in the young, evolving planetary system of Fomalhaut. NASA’s Hubble Space Telescope has captured the dramatic aftermath of two violent ...