Posts by 

Editors of EarthSky

As seen by NASA SDO, two transits across sun’s face in same day

On March 11, Earth passed in front of the sun as seen from the orbiting observatory. Then the moon passed in front of the sun, later that same day. Cool photos here.

Extremely rare triple quasar found

For only the second time in history, a team of scientists have discovered an extremely rare triple quasar system.

Amplified greenhouse effect shifts northern latitude growing seasons

Vegetation growth at Earth's northern latitudes increasingly resembles lusher latitudes to the south, according to a study based on a 30-year record of land surface and newly improved satellite data sets.

The closest star system found in a century

A pair of newly discovered stars is the third-closest star system to the Sun and the closest star system discovered since 1916.

Earth is warmer today than during 70 – 80 percent of the past 11,300 years

Reconstruction of Earth history shows significance of temperature rise.

New fish species described from the streams of Manyas Lake basin

The newly described species Alburnoides manyasensis, belongs the large carp family Cyprinidae and is widely distributed in Turkey in rivers and streams of basins of the Marmara, Black and Aegean seas.

Anti-aging drug breakthrough

Drugs that combat aging may be available within five years, following landmark work led by an Australian researcher.

Ideas and technologies to save the Earth from asteroids

After five years of science and engineering work, engineers have a publication list of technical papers, NASA research support and a proposal for a test launch of an asteroid intercept system.

Distance to nearest galaxy measured

A team of astronomers have managed to improve the measurement of the distance to our nearest neighbor galaxy and, in the process, refine an astronomical calculation that helps measure the expansion of the universe.

Arctic ice loss amplified Superstorm Sandy violence

Researches report that the severe loss of summertime Arctic sea ice appears to enhance Northern Hemisphere jet stream meandering, intensify Arctic air mass invasions toward middle latitudes, and increase the frequency of atmospheric blocking events.