On December 21 about an hour before sunset, the planets Jupiter and Saturn will appear very close together low in the western sky in a celestial event...
Using data obtained from the Hubble Space Telescope, astronomers have confirmed a contradiction between two different estimates of the Hubble constant—an...
Geologists have used high-resolution images obtained by the Mars Reconnaissance Orbiter to infer the existence of past rivers on the Martian surface. Geologist...
Stargazers have been disappointed earlier this year by comets ATLAS and SWAN, which disintegrated before they could put on good celestial shows. But another...
Tonight’s (April 7) full moon is special because it occurs when the moon is close to perigee, the point in its orbit where it is closest to Earth.1,2...
Humans have the remarkable ability to inhabit high altitudes where living conditions are especially harsh and challenging. A new study in Genome Biology...