Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Jupiter was the largest planet that astronomers discovered until they looked beyond our solar system in 1992 and found worlds that make it look tiny. So, if there are even bigger planets in the ...

Most Planets Have No Known Date of First Observation . Before we begin, I want you to imagine a clear night sky you've ...

But Charon was half the size of Pluto itself, so big that the Pluto-Charon combination ... As for Tombaugh, he died in 1997, never knowing the planet he discovered had been demoted.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

four of the 95 natural satellites around the Solar System’s largest planet. Discovered by Galileo Galilei in 1610, Io, Callisto, Europa and Ganymede are proving to be fascinating topics of study ...

By total light-collecting area, it is the largest optical-infrared ... where they found "solid evidence" to the existence of the additional planets orbiting Barnard's Star, according to the ...

Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get here, it ...

Simulations repl... TIDYE-1b, a "baby" gas giant exoplanet just 3 million years old, has been discovered orbiting a protostar in the Taurus molecular cloud. The planet’s youth makes it around ...