Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer ...

On February 21, 2026, the UAE will witness a rare 'planetary parade' as six planets align in the night sky. Venus, Jupiter, ...

The curious minds at What If explore how dying on every planet in the solar system would feel, revealing temperature extremes, pressure, and radiation.

In our Solar System, the inner planets (Mercury to Mars) are rocky, and the outer planets (Jupiter to Neptune) are gaseous.

Six planets will briefly share the twilight sky this month - but the conditions have to be just right.

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don’t ...

University of Warwick astronomers, using an ESA telescope, have discovered a planetary system with a distant rocky world that turns our understanding ...

Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...

The discovery provides new insights into the question, 'how large can a planet be?' An illustration of the HR 8799 system with three of its gas ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...