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

The TRAPPIST-1 system might harbor potentially Earth-like planets, and researchers in China conducted a thorough search for ...

When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally.

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

Recently, Chinese scientists conducted an unprecedented search using the FAST radio telescope in the TRAPPIST-1 system, ...

Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, ...

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.

TRAPPIST-1 is a red dwarf star located about 40 light years away that hosts seven Earth-sized rocky planets, with at least ...

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 ...

Katy has a BA in Humanities and Philosophy, with over 20 years of experience in online and print publishing. She was named the Association of British Science Writers' Editor of the Year in 2023.

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the same real-life star that was home to the fictional moon Pandora in James ...

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 ...