Rhea Moon and jockey Juan Hernandez, outleg School Dance (Ramon Vazquez), inside, and Spark Blue (Joe Bravo), left, to win the Grade I, $300,000 American Oaks, Monday, December 26, 2022 at Santa ...

Rhea, Saturn's second-largest moon, is a rocky snowball that has its own ring system and a weird "two-faced" surface.

Stepped up to grade 1 company for the first time, Rhea Moon proved up to the challenge as she surged past other 3-year-old fillies Dec. 26 at Santa Anita Park to post a narrow victory over ...

Saturn's second-largest moon, Rhea, has a wispy atmosphere composed of oxygen and carbon dioxide, study finds. NASA's Cassini spacecraft detected Rhea's atmosphere during a flyby.

Using data from the Cassini mission, scientists detected hydrazine on Rhea's surface — the first such detection in the Solar System.

Saturn's icy moon Rhea has an oxygen and carbon dioxide atmosphere that is very similar to Earth's. Even better, the carbon dioxide suggests there's life - and that possibly humans could breathe ...

The space agency on Monday released the new views of the moon Rhea, which were captured by the international Cassini spacecraft during a recent flyby. One of its cameras spied two huge impact ...

Saturn's battered, icy moon Rhea comes into sharper focus in a new set of snapshots from a robotic NASA probe. NASA's Cassini spacecraft snapped the raw, unprocessed pictures on March 10 while ...

An image from Cassini of Saturn's icy moon Rhea A mystery on Saturn’s moon Rhea may have finally been solved. When NASA’s Cassini spacecraft flew past the planet’s second-largest moon before ...

NASA's Cassini spacecraft has found evidence of material orbiting Rhea, Saturn's second largest moon. This is the first time rings may have been found around a moon. A broad debris disk and at ...

Juan Hernandez steers Rhea Moon to American Oaks glory at Santa AnitaCredit: MediaNews Group/Pasadena Star-Ne This has been the year of his stallion career where Starspangledbanner has flown highest ...

Saturn's second-largest moon Rhea has a wispy atmosphere with lots of oxygen and carbon dioxide, a new study has found.