For decades, something strange has lurked inside the icy giants of our solar system. Uranus and Neptune, distant blue worlds ...

Even the icy planets in our solar system such as Neptune, Uranus or Jupiter's moon Europa, might have harboured plastic ice ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

And then you fly to Uranus in 1986, and the field is weird. It looks like many more small north and south poles, and it doesn’t have this well organized structure that we see in the other planets. And ...

Venus, Mars, and Jupiter will dazzle with their naked-eye brilliance, while Saturn and a faint Mercury hover closer to the horizon, challenging observers to spot them. For Uranus and Neptune, a pair ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

Skywatchers are in for an extraordinary celestial treat this week as seven planets—Mars, Jupiter, Uranus, Venus, Neptune, ...

You can see the planetary parade almost every night this week with the best happening on the last day of the month.

Its existence was predicted as astronomers searched for a "Planet X" to explain irregularities in Neptune and Uranus' orbits ... a better understanding of the structure of our solar system ...