Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

Two supermoons — occurring when the full moon coincides with its closest approach to Earth — will close out 2026. At about 226,000 miles away, the moon appears larger and brighter than average, ideal ...

Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Although Europa is the fourth largest of Jupiter’s 95 moons, it’s the smallest of the Galilean moons – the largest being Ganymede. With an equatorial diameter of about 3,100 kilometres, Europa is ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Greetings everyone! We have an unusual sky event this month to start off the new year. On Thursday, 29th of January, there will be a lunar occultation of El Nath, ...

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.