Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

A 9th planet in our solar system might be found — and no, it’s not Pluto - Is there another planet out there? Researchers say ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

The James Webb Space Telescope spotted possible signatures for life in an exoplanet's atmosphere. Still, researchers caution it’s far too early to call the findings definitive ...

Once the quirky underdog of our solar system, Pluto held planetary status ... Here is everything to know about why Pluto is not a planet anymore. Pluto was downgraded cosmically in 2006 when ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...