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

When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff, Arizona. Cold, dark and distant, it was n ...

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

Six planets will be aligned during January, February Next month, crescent moon will also align with planets Alignment isn't rare, but seeing multiple planets at once is This June 2023 image provided ...

A bill from freshman Tucson lawmaker Kevin Volk would add 'howdy' to the extensive list of items mentioned in state statute ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Featuring a discussion on scientific exploration and how it inspires humanity, the keynote event for the sixth annual I Heart ...

What is happening in Earth's inner core? Discover the implications of its deformation for seismic activity and navigation.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

Mercury tweets at breakneck speed, Venus flaunts on Instagram, Earth overshares on Facebook, and Pluto campaigns for planetary status on Change.org. Each planet portrays its identity vividly ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...