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Video: The solar system to scale
Beautiful short film depicting what happened when a group of friends built a scale model of the solar system on a dry lakebed in Nevada.
September 17, 2015
SOHO discovers its 3000th comet
Before its 1995 launch, no one knew what a spectacular comet finder the SOHO spacecraft would be. It excels at spotting sungrazers, comets sweeping near the sun.
September 17, 2015
No nearby advanced civilizations, astronomer says
Following the July announcement of a big new SETI initiative, a Netherlands astronomer says advanced civilizations are rare or absent from the local universe.
September 15, 2015
NASA’s SDO catches a double eclipse
NASA's Solar Dynamics Observatory sees dozens of Earth eclipses and several lunar transits each year. On September 13, 2015, it saw the two happening at once.
September 15, 2015
New model explains Io’s misplaced volcanos
Io's volcanic activity may be due to a unique combination of ordinary gravitational squeezing by Jupiter and friction on molten rock within Io's interior.
September 14, 2015
What is dark energy?
We need dark energy to explain why gravity seems to be driving galaxies in our universe apart instead of pulling them together.
September 11, 2015
Newest Pluto images from New Horizons
New Horizons - which swept near Pluto in July - took a break from sending back images like this. Then this week, NASA released a new batch, and they are amazing!
September 10, 2015
Watch ISS crew’s return to Earth on Friday
Three International Space Station crew members will leave the spacecraft and return to Earth on Friday, September 11. Watch their departure and landing.
September 9, 2015
Best look yet at Ceres bright spots
No confirmation yet on what the spots might be, but they’re looking more natural as the Dawn spacecraft orbits closer.
September 9, 2015
Giant stars’ birth makes cosmic hourglass
The birth throes of high-mass stars have been shrouded in mystery. While penetrating the mystery, astronomers working in Chile discovered a vast cosmic hourglass.
September 9, 2015
