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 ...
A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
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 ...
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 ...
Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...
Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...
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 ...
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