Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

Micrometeorites are thought to shower down on planets throughout the universe, so the discovery that they help protocells ...

So-called M dwarfs are the most common stars in the Milky Way. A research team has determined around which of them Earth-like ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

Most disks observed were about 30 astronomical units wide, roughly 30 times the Earth-Sun distance. The presence of intricate structures in such early systems implies a parallel evolution of infant ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

The Guardians of the Galaxy movies were full of exotic and alien planets that look cooler than anything we’ll ever have on ...

Astronomers have discovered the first step in planet birth, finding hitherto unseen structures in 78 planetary disks in the ...