Saturn, top, and Jupiter, below, are seen in the sky, above Edgerton, Kan. The two planets are in their closest observable alignment since 1226. Appearing a tenth of a degree apart...
Photo by AP/PTI
People gather at River Parks trails at 41st and Riverside, to get a look at Jupiter and Saturn in Tulsa, Okla. The two planets were closer to each other than they've been in 800 ye...
Photo by AP/PTI
The great conjunction of Jupiter and Saturn appears in the sky over New Delhi, Monday. The two planets have never been so close since 1623.
PTI Photo/Manvender Vashist
Saturn planet seen in conjunction with moon, in Chikmagalur.
PTI Photo
This image provided by the Carnegie Institution for Science shows an artist's concept of a dwarf planet that astronomers say is the farthest known object in our solar system, which...
Roberto Molar Candanosa/Carnegie Institution for Science via AP
K2-18b, which is eight times the mass of Earth, is now the only exoplanet known to have both water and temperatures that could be potentially habitable, according to the study published in the journal Nature Astronomy.
The exoplanet known as Kepler-1658 b is a massive hot Jupiter that whips around its star every 3.85 days, said researchers from the University of Hawaii in the US.