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The intricate flow of Comet Lovejoy’s tail
Astronomers used the Subaru Telescope to capture this image of Comet Lovejoy's tail on December 3, 2013. This comet is now visible in earthly skies.
December 6, 2013
Astronomers discover planet that shouldn’t be there
The discovery of a giant planet orbiting its star at 650 times the average Earth-sun distance has astronomers puzzled over how such a strange system came to be.
December 5, 2013
Two supermassive black holes in death spiral
Astronomers have spotted what appear to be two supermassive black holes 3.8 billion light-years from Earth, circling each other like dance partners.
December 5, 2013
Genius materials on the ISS
With proper coaxing, molecules in microgravity can assemble themselves into forms with surprising properties. This new NASA ScienceCast video explores the possibilities
December 1, 2013
Fast, furious, refined: Smaller black holes can eat plenty
Gas from a companion star is thought to feed a stellar-mass black hole’s voracious appetite, in the galaxy M101.
November 30, 2013
Experience Comet ISON’s encounter with the sun online
ISON's moment of truth is here - its closest approach to the sun - today. Here are some ways to experience it online.
November 28, 2013
Fiery drama of star birth and death in Large Magellanic Cloud
Places where hot new stars are born and die - and sculpt their surroundings into odd shapes - in the dwarf galaxy orbiting our own Milky Way.
November 27, 2013
Best photos, images, videos of Comet ISON
Now ISON cannot be seen from Earth, but it's coming into the field of view of a whole fleet of ESA and NASA space-based observatories.
November 27, 2013
Three questions about Comet ISON
Get the facts about comet ISON. The manager of NASA's Near-Earth Object Program Office shares the low-down on the stellar object's holiday travel plans.
November 26, 2013
Mach 1000 shock wave lights supernova remnant
The appearance of this "new star" stunned those who thought the heavens were constant and unchanging. At its brightest, the supernova rivaled Venus before fading from sight a year later.
November 25, 2013
