This poster shows more than 500 exoplanets discovered before October 2015 arranged according to their temperature and density. Credit: Martin Vargic Enlarge Here’s a great new poster showing over 500 extrasolar planets (about one quarter of the total) that have been discovered since 1988. This visualization, created by graphic artist […]


Using NASA data and information on drainage tunnels and sediment flux from the Texas Department of Transportation, researchers calculated that carving ancient Martian valleys might have required less water than previously thought. Credit: NASA/JPL-Caltech/Arizona State University New calculations suggest that vast valley networks that spider across the southern highlands of […]


Enlarge * A new instrument attached to the 12-meter Atacama Pathfinder Experiment (APEX) telescope at 5,000 meters above sea level in the Chilean Andes is opening up a previously unexplored window on the Universe. The Swedish-ESO PI receiver for APEX (SEPIA) will detect the faint signals from water and other molecules […]

Astronomers-Reveal-How-Stars-Grow-into-Heavyweights A team of astronomers has discovered a stable structure around one of the most massive, newly forming stars in our galaxy, revealing how some stars manage to reach masses of more than a hundred times that of our Sun. Stars count lightweights and heavyweights among their number. All are […]