Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...

In recent years, the number of known extrasolar planets (aka. exoplanets) has grown exponentially. To date, 5,799 exoplanets ...

Saturn is known for its stunning rings and its many moons (four seen here), but they aren’t the planet’s only companions. Its first known Trojan — an asteroid that shares the planet’s orbit around the ...

A small international team of astronomers and astrophysicists has confirmed that asteroid 2019 UO14 is a Trojan asteroid of ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests. When you purchase through links on our site, we may earn an affiliate ...

Photo Provided Members of the Bill Neptune family pose with the 294.5-pound bushel gourd he grew with his granddaughter Jayden this year. Bill is at right, while Jayden is in the center, perched ...

Australia woke to news this morning that NASA's latest spacecraft launch from Florida's Kennedy Space Center was a huge ...

SpaceX’s creative method of rocket recovery makes this recent test a significant step towards making space travel more ...

A perfect example of the latter is the discovery of the planet Neptune. Astronomers stumbled upon Neptune only after the planet Uranus — which William Herschel had found 65 years earlier — was ...

Moons ought to be scattered throughout the Milky Way galaxy in a glorious profusion. Here in the Solar System, moons ...