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
Oct 6, 2014
Oct. 6, 2014: The cold waters of Earth’s deep ocean have not warmed measurably since 2005, according to a new NASA study, leaving unsolved the mystery of why global warming appears to have slowed in recent years.
Earth, ISS
Sep 24, 2014
The weekend launch of ISS-RapidScat onboard SpaceX-4 has kickstarted a new era for the International Space Station as a giant Earth-observing satellite.
ScienceCasts: A Giant Among Earth Satellites
Earth
Sep 24, 2014
Sept. 24, 2014: The International Space Station has been called a stepping stone to other worlds. NASA hasn't forgotten, however, that the behemoth space station is also on the doorstep of Earth. "We're seeing the space station come into its own as an Earth-observing platform," says Julie... Read More
Solar System
Sep 22, 2014
Sept. 22, 2014:  NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars’ orbit at 10:24 p.m. EDT Sunday, Sept. 21, where it now will prepare to study the Red Planet’s upper atmosphere as never done before. MAVEN is the first spacecraft dedicated to... Read More
Earth
Sep 22, 2014
Sept. 22, 2014: Arctic sea ice coverage continued its below-average trend this year as the ice declined to its annual minimum on Sept. 17, according to the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado, Boulder. "Arctic sea ice coverage in... Read More
Earth, Sun, Solar System
Sep 18, 2014
Sept. 18, 2014:  On Wednesday morning, Oct. 8th, not long before sunrise, the bright full Moon over North America will turn a lovely shade of celestial red.  It's a lunar eclipse—visible from all parts of the USA. "It promises to be a stunning sight, even from the most light polluted cities,"... Read More
Solar System
Sep 17, 2014
Mark your calendar: On Oct. 8th, the Moon will pass through the shadow of Earth for a total lunar eclipse. Sky watchers in the USA will see the Moon turn a beautiful shade of celestial red and maybe turquoise, too.
ScienceCasts: A Colorful Lunar Eclipse
Sep 10, 2014
Sept. 10, 2014:  Fire is inanimate, yet anyone staring into a flame could be excused for thinking otherwise: Fire dances and swirls.  It reproduces, consumes matter, and produces waste. It adapts to its environment. It needs oxygen to survive. In short, fire is uncannily lifelike... Read More
ISS
Sep 9, 2014
Astronauts onboard the International Space Station report seeing flames that behave like jellyfish. Video of the microgravity phenomenon is a must-see.
ScienceCasts: Jellyfish Flame on the International Space Station
Earth
Sep 5, 2014
Sept. 5, 2014: A small asteroid, designated 2014 RC, will safely pass very close to Earth on Sunday, Sept. 7, 2014.  At the time of closest approach, based on current calculations to be about 2:18 p.m. EDT (11:18 a.m. PDT / 18:18 UTC), the asteroid will be roughly over New Zealand.  From its... Read More
Earth
Sep 5, 2014
Sept. 5, 2014:  High above Earth, more than 20 miles above sea level, a diaphanous layer of ozone surrounds our planet, absorbing energetic UV rays from the sun.  It is, essentially, sunscreen for planet Earth. Without the ozone layer, we would be bathed in dangerous radiation on a daily... Read More
Universe
Sep 5, 2014
Sept. 5, 2014:  A NASA instrument aboard the European Space Agency’s (ESA's) Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko.
Earth
Sep 4, 2014
Almost 30 years after the Montreal Protocol put the brakes on ozone-depleting chemicals, one compound remains stubbornly and mysteriously abundant in the atmosphere. NASA scientists are tracking down the source and studying its effect on the ozone layer.
ScienceCasts: Mystery in the Ozone Layer
Universe
Aug 26, 2014
August 26, 2014:  The European Space Agency's Rosetta mission has chosen five candidate landing sites on comet 67P/Churyumov-Gerasimenko for its Philae lander. Philae's descent to the comet's nucleus, scheduled for this November, will be the first such landing ever attempted.
5 of the potential landing spots for Rosetta's Philae lander