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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
El Niño this year: What will it bring?
An El Niño is building that's expected to culminate in the fall and last until the winter and could possibly become a “mega” El Niño.
September 14, 2015
The amazing tongue of the hummingbird
Drinking nectar requires a tongue that fits the flower and works like a pump. Cool video!
September 14, 2015
Earth has 3 trillion trees, says study
That's more than previous estimates. But the number of trees has dropped by 46% since the start of human civilization, says the study.
September 12, 2015
New species of human found
Scientists say they have found a total of 1,550 bones representing 15 individuals. They say it's the largest fossil hominin find on the African continent.
September 11, 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
