In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

Planet ‘parades’ are not uncommon. While occasionally spotting 4-5 planets is not unusual, sighting the alignment of all 7 ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

Jupiter’s famous clouds aren’t ammonia ice but a murky mix of chemicals, sitting lower in the atmosphere than expected. For years, astronomers believed that Jupiter’s upper clouds — responsible for it ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

Apropos of its reputation for living large and betting big, Jupiter is the largest planet in our solar system. In terms of nomenclature, Jupiter is the Roman equivalent of god daddy Zeus ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on ...

St. Cloud State University Assistant Professor Rachel Humphrey explains why Mercury and Saturn are tougher to pick out. “The ...

An interstellar visitor may have warped the solar system billions of years ago, a new study has claimed. Scientists suggested the enormous object disrupted the orbits of Jupiter, Saturn ...