Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary migrations that shaped the worlds we know today. While it may seem intuitive that ...

His new book makes the case for going big on solar power—and abandons climate angst for ecomodernist optimism.

The October 5 concert will begin with a performance of Gustav Holst’s majestic “The Planets” suite, featuring a specially ...

The veteran activist says that solar has finally scaled to the size of the climate crisis – and he’s organizing a nationwide ...

GameSpot may get a commission from retail offers. Warning: This article contains spoilers for Destiny 2's latest expansion, The Edge of Fate. We recommend you complete its story campaign before ...

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Professional astrologer Steph Koyfman reads your monthly horoscope—and spells out how it may shape your travels.

“Beyond the Planets” lifts off at 4 p.m. Oct. 5 at the Stiefel Theatre for the Performing Arts, 151 S. Santa Fe. The concert ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

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 ...