The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

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

Sir Brian May says Freddie Mercury is ‘always with him’ but one Queen song in particular always makes him think of his late ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the spacecraft captured the imagery. Credit: Space.com | footage & orbit animation cou ...

For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...