Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a fittingly fiery nature.

Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...