The Earth And The Moon, In A Single Frame

China's Chang'e 5 test vehicle captured this rare glimpse of the Moon's far side yesterday, from just past the halfway point on its lunar-looping test flight. Incredibly, the spacecraft managed to include Earth in the frame as well, producing what is destined to become an iconic image of our planet and its natural… » 10/30/14 10:32pm Yesterday 10:32pm

Could Biological Life Be Just A Passing Phase In The Universe?

Steven Dick, a famed astronomer and historian, has completed a one-year residency at the Library of Congress, researching his next book, How the Discovery of Life Will Transform Our Thinking. In an exclusive interview posted on the Library's blog, he discusses such provocative issues as evolution on a cosmic scale. » 10/29/14 8:19pm Wednesday 8:19pm

Astronomers Observe An Expanding Nova Fireball For The First Time

An international team of astronomers have finally caught a glimpse of an expanding thermonuclear fireball from an exploding white dwarf. It's the first time this kind of data has ever been captured, allowing the researchers to study how the fireball evolves and rapidly expands into space. » 10/28/14 2:53pm Tuesday 2:53pm

The First Exoplanets Were Discovered In 1917—But Nobody Realized It

When astronomers found two planets orbiting a pulsar in 1992, it was considered the first definitive detection of planets outside our solar system. But new research reveals that, nearly a century ago, a young astronomer discovered evidence of an extrasolar planetary system — he just never realized it at the time. » 10/22/14 6:16pm 10/22/14 6:16pm

Comet 67P/Churyumov-Gerasimenko Is Way Darker Than You Probably Realize

You'd never know from all the high-contrast photographs of Comet 67P/Churyumov-Gerasimenko that the comet is actually quite dark. This recently released composite image reveals how little light there is emanating from 67P/C-G, relative to other objects in our solar system. » 10/19/14 1:38pm 10/19/14 1:38pm

An Astronaut Made This Floating Candy Corn Sphere For Science


Astronauts are allowed to bring special "crew preference" items with them when they go into space. NASA astronaut Don Pettit chose candy corn for his nearly six-month mission aboard the International Space Station. But, this candy had a destiny much greater than being a Halloween snack. » 10/17/14 8:25pm 10/17/14 8:25pm