Eastern Arizona College Discovery Park staff brought the wonders of the solar system to Fort Thomas Elementary School ...

Eastern Arizona College Discovery Park staff brought the wonders of the solar system to Fort Thomas Elementary School during ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Somewhere at the edge of the solar system a new Earth-sized world might be lurking, dubbed Planet Y. Astronomers have long proposed that there might be hidden planets beyond the Kuiper belt, a region ...

Astronomers have discovered fresh evidence suggesting the possible existence of an unseen planet in the far reaches of our ...

From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one of the highlights of the month? The impending meet-up of Jupiter and ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...