An Egyptian sarcophagus shows the sky goddess Nut as being covered in stars and having a dark, undulating curve running ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, ...

By comparing those fingerprints to 20 different molecules that they would potentially expect to observe in the atmosphere, ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Luke found life on Tatooine to be boring, but he should be glad, because as we have seen, binary stars have the potential to ...

A new study has found that such heavy metals may have formed through eruptions on a rare type of star called a magnetar.

The James Webb Space Telescope has identified WD 1856b, the coldest exoplanet ever observed, orbiting a white dwarf star.

Vesta might be a shattered remnant of an early planet, not a failed one—forcing scientists to rethink how worlds begin.

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...