Video: 25 years studying the Big Bang’s afterglow

This week marks the 25th anniversary of a Nobel Prize winning discovery: the first image of the cosmic microwave background. This image showed the world what the universe looked like shortly after the big bang, and transformed cosmology. Reporter Davide Castelvecchi asks Nobel Laureate John Mather how the iconic image was taken, and investigates what…

It’s Official: 2014 Ranks as World’s Hottest Year on Record — Common Dreams org| watch video

2014 marked 38th consecutive year of above-average global temperatures. This color-coded map displays global temperature anomaly data from 2014. Image Credit:  NASA’s Goddard Space Flight Center 2014 was the Earth’s warmest year since records began in 1880, according to reports from federal scientists published Friday. The finding reached by the National Oceanic and Atmospheric Administration…

Another ‘Grand Canyon’ Discovered Beneath Greenland’s Ice — NPR Org

A little chilly for camping: Ice-penetrating radar revealed a mega-canyon below the Greenland ice sheet, extending for more than 460 miles. Courtesy of J. Bamber/University of Bristol A major feature of the Earth has escaped notice — until now. Scientists Thursday that they’ve discovered a vast canyon, twice as long as the Grand Canyon. It…

Video: Kepler Makes Discoveries Inside the Habitable Zone — NASA

NASA’s Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the “habitable zone,” the range of distance from a star where the surface temperature of an orbiting planet might be suitable for liquid water. The size of Kepler-62f is now measured, but its mass and composition are not. However, based…

Kepler Data Suggest Earth-size Planets May Be Next Door — NASA: 6th Feb 2013

Red Dwarf Planet: The artist’s conception shows a hypothetical planet with two moons orbiting in the habitable zone of a red dwarf star. Click image for full caption and larger size. Credit: D. Aguilar/Harvard-Smithsonian Center for Astrophysics Using publicly available data from NASA’s Kepler space telescope, astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) estimate…