Named 2020 VN40, this tiny body completes one orbit around the Sun for every ten Neptune makes.
Solar System
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Named Ammonite, the distant object casts doubt on the existence of the elusive Planet Nine.
Astronomers have captured a rare glimpse inside HOPS-315, a young star that appears to sit at the...
The discovery challenges findings made by Voyager 2, which collected data suggesting Uranus, unlike other giant planets...
Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to...
As the closest planet to the Sun, Mercury is exposed to the star’s enormous gravitational field. And...
A new study suggests the planet’s iconic domes owe their strange shape to both thick lava and...
Using two infrared space telescopes and a 23-year gap, scientists may have spotted a mysterious, slow-moving object...
The molecular cloud is brimming with material that could birth baby stars.
