A concentrated three-day search for a mysterious, unseen planet in the far reaches of our own solar system has yielded…
If a new definition of planet is adopted by the International Astronomical Union, our Solar System could be home to…
Last year, Caltech astronomers Mike Brown and Konstantin Batygin found indirect evidence for the existence of a large planet in…
Host: Fraser Cain (@fcain) Guests: Carolyn Collins Petersen (thespacewriter.com / space.about.com / @spacewriter ) Paul M. Sutter (pmsutter.com / @PaulMattSutter)…
The eight planets of the Solar System are a diverse and interesting bunch, ranging from airless and habitable terrestrial bodies…
The planets of our Solar System differ considerably when it comes to their respective masses, even more so than their…
The planets of our Solar System vary considerably, with some being a fraction of Earth's diameter, and others many times…
Thanks to new data from the New Horizons mission that shows how Pluto behaves as both a planet and a…
Three more potentially Earthlike worlds have been discovered in our galactic backyard, announced online today by the European Southern Observatory. Researchers using the…
Among Sir Isaac Newton's many contributions to science was the discovery of gravity. one of the fundamental forces of the…