A nearly new moon and mostly clear skies will present near ideal viewing conditions for the planet parade through Feb. 28.

Today is a time for reflection and preparation as you align with your professional goals and priorities. Find daily ...

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

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

And one of those moons, known as Charon, is half the size of Pluto itself. But that’s not the only thing that’s unusual about ...

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

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

On February 18, 2007, the Samjhauta Express train carrying hundreds of Indians and Pakistanis across the border was bombed by ...

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...