The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

The photo of a 9.5-light-year-long cloud within the Eagle Nebula celebrates the space telescope’s upcoming 35th birthday.

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to ...

With the help of cutting-edge tools like the JWST and future missions, Professor Nikku Madhusudhan's research may soon help ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.