Scientists have discovered a rare six-planet system where all planets orbit their star in perfect mathematical harmony.

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...

Stargazers will get a peek at what's been called a "parade of planets," when up to seven planets may appear to line up.

The European Space Agency (ESA) and Japan Aerospace Exploration Agency (JAXA) launched the joint Mercury mission in 2018. The ...

A very rare treat is about to grace Earth's night skies. On the evening of 28 February 2025, all seven of the other planets ...

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

Keep your eyes on the sky this upcoming year for a chance to spot breathtaking meteor showers, a special view of Saturn and a ...

In general, the best time to view the planet parade will be after Jan. 21, and before Feb. 21. The very best nights will be ...

Stargazers won't need any special equipment to view the four-planet alignment as it will be visible to the naked eye. However, if you have a telescope, you can spot two additional planets, Uranus and ...

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.