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

For decades, astronomers believed that planets couldn’t form in the early universe due to a lack of heavier elements like ...

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

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

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

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

If everything in our solar system formed from the same solar nebula, why do the planets have different compositions? Herbert WichTitusville, Florida To better understand why the planets have variable ...

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

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

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...