The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

From 'Space: 1999' and 'Battlestar Galactica' to 'UFO' and 'Mork & Mindy,' the 1970s might be the best decade of sci-fi TV ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.

Once a year, this planet passes through a celestial beehive typically seen in the night sky during the spring. And it's about ...

The astrology forecast for May 2025 brings two important cazimis, the annual Flower Moon, and a major move for Saturn, ...

Wildlife filmmaker Bertie Gregory curated the final selection for the "NatGeoYourShotOurHome" challenge from thousands of ...

Since numbers are the universe’s preferred language, you’re bound to receive these messages as angel numbers. May is a month ...

Planet Ark Environmental Foundation, one of Australia's largest environmental non-for-profits, has entered voluntary admission by its board following a review of its "financial position and future ...

They reveal a whole new level of detail in these planet-forming systems. Breakthroughs, discoveries, and DIY tips sent every ...

Mars starts May not far from the Beehive star cluster, Venus is unmistakable in the predawn sky, and Mercury looks best early ...