Science News

Science@NASA

 

Connect to ScienceCasts

The Mystery of Coronal Heating Poster 1
Sun
Nov 30, 2016
Observations by NASA's IRIS spacecraft suggest that "heat bombs" are going off in the sun's outer atmosphere, helping to explain why the solar corona is so mysteriously hot.
Earth
Jan 10, 2014
Jan. 10, 2014:  When firefighters want to extinguish a blaze, they often douse it with water. Astronauts on board the ISS, however, are experimenting with a form of water that does the opposite.  Instead of stopping fire, this water helps start it. "We call it ‘supercritical water,’"... Read More
Earth
Jan 8, 2014
Jan. 8, 2014:  A new NASA satellite that will peer into the topmost layer of Earth's soils to measure the hidden waters that influence our weather and climate is in final preparations for a Jan. 29 dawn launch from California.
ISS
Jan 3, 2014
Astronauts on the ISS are experimenting with a form of water that has a strange property: it can help start fire. This fundamental physics investigation could have down-to-Earth benefits such as clean-burning municipal waste disposal and improved saltwater purification.
ScienceCasts: Starting Fire in Water
Earth, Sun
Dec 23, 2013
Dec. 23, 2013:  Data from NASA's AIM spacecraft show that noctilucent clouds are like a great "geophysical light bulb." They turn on every year in late spring, reaching almost full intensity over a period of no more than 5 to 10 days. News flash: The bulb is glowing.
Sun
Dec 19, 2013
A vast bank of electric-blue clouds has appeared over Antarctica, signaling the start of the season for southern hemisphere noctilucent clouds.
ScienceCasts: Electric-Blue Clouds Appear Over Antarctica
Sun, Solar System
Dec 13, 2013
Dec. 13, 2013:  As arctic air and record cold sweeps across the USA, amateur astronomers are looking at their calendars with a degree of trepidation. A date is circled: Dec. 14th. And below it says: "Wake up at 4 AM for the Geminid meteor shower." "It's going to be cold," says Bill... Read More
Solar System
Dec 12, 2013
The Geminid meteor shower is underway. Forecasters say the best time to look is during the dark hours before sunrise on Saturday morning, Dec. 14th. Dark-sky observers could see dozens of bright shooting stars.
ScienceCasts: Geminid Meteors at Dawn
Earth
Dec 10, 2013
Dec. 10, 2013:  What is the coldest place on Earth? It is a high ridge in Antarctica on the East Antarctic Plateau where temperatures in several hollows can dip below minus 133.6 degrees Fahrenheit (minus 92 degrees Celsius) on a clear winter night.
Universe, Sun
Dec 4, 2013
Dec. 4, 2013:  Astronomers have long known that some comets like it hot.  Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders in the night sky. Some comets like it hot, but Comet ISON was not... Read More
Nov 27, 2013
Nov. 27, 2013:  If you have a smartphone, take it out and run your fingers along the glass surface.  It's cool to the touch, incredibly thin and strong, and almost impervious to scratching.  You're now in contact with a "smart material."
Sun, Solar System
Nov 27, 2013
Nov. 27, 2013: Astronomers have long been puzzled by a certain meteor shower. Every year in mid-December the sky fills with flashes of light shooting out of the constellation Gemini.  The Geminids are fast, bright, and reliable.  They never fail to show up and many observers count... Read More
Solar System
Nov 27, 2013
"Rock Comet" 3200 Phaethon has sprouted a tail, proving that the mysterious object is the source of the annual Geminid meteor shower.
ScienceCasts: Rock Comet Sprouts a Tail
ISS
Nov 25, 2013
Researchers working with magnetic fluids on the International Space Station are taking "smart materials" to the next level. With proper coaxing, molecules can assemble themselves into "genius materials" with surprising properties. This is opening a new frontier in material science.
ScienceCasts: Genius Materials on the ISS