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

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

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

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

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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Thousands of employees who helped oversee vast areas of wilderness have lost their jobs in President Trump’s moves to shrink ...