Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the […]
This Earth Day, April 22, NASA is asking you to share pictures and video of your favorite places on Earth using social media – and tag them #NoPlaceLikeHome. At NASA, we explore lots of planets and there’s a lot to love: the mountains on Mars, the rings of Saturn, the 99.77-degree axial tilt of Uranus. […]
Two phenomena known to inhibit the potential habitability of planets — tidal forces and vigorous stellar activity — might instead help chances for life on certain planets orbiting low-mass stars, University of Washington astronomers have found. In a paper published this month in the journal Astrobiology, UW doctoral student Rodrigo Luger and co-authorRory Barnes, research […]