A planetary alignment happens when planets “line up” on the same side of the sun. The phenomenon is visible this month ...

All seven planets of our solar system are visible in the night sky. Yes, you read that right. Mercury, Venus, Mars, Jupiter, ...

Just because a gas moon is possible, does not mean they will form easily. The key thing about gas planets is that they are ...

Most people worldwide will be able to witness this event, also called a planetary parade, on February 28. The spectacle will occur when Mercury joins six other planets already in alignment. While ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

How does a compass work in space? From the moon to Venus, here’s how a compass would work beyond Earth’s magnetic field.

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

A rare celestial event will take place on February 28 this year, when all seven planets in our solar system will line up and ...

Throughout January and February, skywatchers venturing out in the early evening can see six planets in our solar system ...

All of Earth's planetary neighbors are about to be visible in the night sky next week – though you may need binoculars to see ...