Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.

The Chen Cheng-po Cultural Foundation yesterday announced that a minor planet has been named after late Taiwanese artist Chen Cheng-po (陳澄波). The International Astronomical Union in January approved ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short life of what was, for a single human lifetime, the solar system's ...

By Katrina Miller Astute skywatchers may have already seen the striking line of planets across the night sky in January. This week Mercury joins the queue. Now every other world in our solar ...

Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each about a fifth the mass of Earth, whip around their host star in just ...

On Feb. 28, a stellar alignment of planets will illuminate the night sky for the last time in a decade Space Frontiers/Hulton Archive/Getty Calling all stargazers and astronomy enthusiasts ...

With family wealth to back him, he founded an observatory in the western dark-sky desert of the U.S. and hoped to unlock the mystery of the Red Planet. He soon became fascinated by another cosmic ...

Scientists studied the history of our sun and its satellites with all the tools they had, and they used the knowledge they gained to shape our understanding of how planets form and evolve.

Jamie Carter is an award-winning reporter who covers the night sky. The four planet-strong “planet parade” — mistakenly called a planetary alignment by some — currently visible to the ...