The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Astronomers have recently unveiled an extraordinary discovery in the cosmos: a new exoplanet named Enaiposha, located 47 ...

After more than a decade of service, the European Space Agency’s Gaia spacecraft has been powered down for good—closing one ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

Scientists have spotted a defiant galaxy. Located nearly 1 billion light-years from Earth, the galaxy 2MASX J23453268−0449256 ...

The decision comes as the Voyager spacecraft face diminishing power supplies due to the gradual decay of their radioactive ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Carbon dioxide has been detected on a planet outside our solar system for the first time ... that has never been detected in a smaller galaxy. Because of faults with Boeing’s Starliner, Suni ...

Aterrifying glimpse of a possible fate for our galaxy, the Milky Way, has come to light thanks to the discovery of a cosmic ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

They also orbit near their stars, in many cases closer than Mercury is to the Sun. Our solar system, in contrast, appears to be different. “[Planetary scientists] have thought our solar system ...