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Amazing, blazing equinox sunset
Spectacular flaming fringe on the setting sun over Mutare, Zimbabwe, caused by a bush fire concealed behind the point on the hill over which the sun went down.
September 24, 2015
Human pentagon with Milky Way
A winning combo - humans, a pentagon and a dark night of stars - at one of India's best sites for astronomy.
September 23, 2015
Watch an exoplanet orbit its star
A series of images has been made into a video, showing Beta Pictoris b moving through 18 months of its 22-year orbit around its star. Very cool!
September 22, 2015
Brief, beautiful circumzenithal arc
Circumzenithal arcs are sometimes referred to as "upside-down rainbows" or "a smile in the sky."
September 22, 2015
Fact and fiction of Martian dust storms
Andy Weir’s book The Martian - soon to be released as a movie - begins with a huge dust storm that strands a fictional astronaut on Mars. Could it happen?
September 21, 2015
New tree of life for 2.3 million species
An initial draft, a collaborative effort from scientists at 11 institutions, of a new, comprehensive evolutionary tree of life. Plus ...
September 21, 2015
2015 wildfire season a record-breaker
Worst recorded years for U.S. wildfires are 2005, 2006, 2007, 2011 and 2012. This year has already joined that list, and wildfire season is still going strong.
September 21, 2015
Best seat in the world
The central bugle of our Milky Way galaxy shines brightly above the vast ocean of lights of Yaqing Temple in China.
September 21, 2015
Mercury rotates faster than expected
Analysis of data from the MESSENGER spacecraft reveals that, along with the sun, distant Jupiter may be influencing Mercury's orbit and spin.
September 19, 2015
Global ocean on Saturn moon Enceladus
Active water and ice geysers on Enceladus now are believed to spew from a planet-wide, liquid ocean beneath this moon's icy crust.
September 19, 2015
