Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Backflow prevention devices can help solve that, said Andrew Whelton, an engineering professor at Purdue University. The ...

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

Best sustainable fashion brands that put a focus on ethical and responsible practices - Buy better from one of these ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's observatories.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

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 ...

As at Feb 18, only 17 countries out of the 108 that signed the treaty have ratified the agreement. Read more at ...

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