Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

A new research paper, published in the Science Advances journal, has postulated that rocky planets like ours may be far more ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

Planets may begin forming much earlier than scientists once believed during the final stages of a star s birth, not afterward. This bold new model, backed by simulations from researchers at SwRI, ...

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations. An unusual planetary system with three known ultra-low ...

The recent discovery of a potential new class of distant and mysterious “free-floating” planets has intrigued astronomers since stunning new images captured by the James Webb Space Telescope were ...

In the Star Wars movies fictional planets are covered with forests, oceans, deserts, and volcanoes. But new models from a team of MIT, NASA, and Carnegie scientists begin to describe an even wider ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

San Diego — A team of planet-hunting astronomers announced today (Jan. 9) the discovery of two multi-planet systems that are among the most bizarre planetary systems found to date. One system calls ...