Two researchers believe that the hypothetical "Planet Nine" may be responsible for cyclic extinctions seen in the biological record.
Host: Fraser Cain (@fcain) Guests: Kimberly Cartier (@AstroKimCartier ) Dave Dickinson (www.astroguyz.com / @astroguyz) Jolene Creighton (fromquarkstoquasars.com / @futurism) Nicole…
US astronomers announced last month they may have found a ninth planet beyond Neptune, but conceded they had no idea…
A fine meeting of all five naked eye planets greets dawn skywatchers in early February as Mercury, Venus, Mars, Saturn…
The astronomer known worldwide for vigorously promoting the demotion of Pluto from its decades long perch as the 9th Planet,…