From Aug. 17–21, a spectacular “planet parade” (also called an alignment) features the moon and six planets. Here’s when and ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be ...

A spectacular “planet parade” (also called an alignment) featuring six planets is visible during August. Here’s when and ...

NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest ...

The final 'planet parade' of the year will feature six planets aligning in the pre-dawn sky on Sunday, August 10. A planetary ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will briefly appear in the sky on the same night, starting Sunday (Aug ...

Scientists have found strong evidence of a giant gas planet in the nearest star system to our own. At four-and-a-half light ...

It would orbit within Alpha Centauri A’s habitable zone, the starlight-bathed region where liquid water can persist on a ...

Astronomers found strong evidence that a gassy Jupiter-size world is orbiting one of three stars in the stellar system ...