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Photos from friends: 2014 Lyrid meteor shower
A collection of photos from the 2014 Lyrid meteor shower, which peaked on the morning of April 22.
April 22, 2014
MESSENGER completes 3,000th orbit of Mercury, sets mark for closest approach
MESSENGER has been getting closer to Mercury since March. It's now closer to the planet than any spacecraft has been before.
April 21, 2014
Make a #GlobalSelfie with NASA on Earth Day, April 22
Step outside and take a picture of yourself. Then post it to social media, using the hashtag #GlobalSelfie. NASA will use your photos to create a mosaic image of Earth.
April 21, 2014
Arctic sea ice maximum in 2014 fifth lowest on record
Arctic sea ice reached its maximum extent for the year on March 21, 2014, according to the National Snow and Ice Data Center. It was the fifth lowest on record.
April 21, 2014
How do astronomers know Jupiter’s mass?
Astronomers use the orbiting moons of Jupiter - largest planet in our solar system - to find Jupiter's mass.
April 21, 2014
7 ways to celebrate International Dark Sky Week
International Dark Sky Week runs April 20-26, 2014. Learn how to help celebrate and preserve the beauty of the night.
April 20, 2014
April 18’s mid-level solar flare
A mid-level flare burst from the sun on April 18. This image, from NASA's Solar Dynamics Observatory. shows the flare as a bright spot on the sun.
April 18, 2014
More, bigger wildfires burning western U.S.
New research suggests that the trend could continue as climate change causes temperatures to rise and drought to become more severe in the coming decades.
April 18, 2014
New image of red nebula 7,300 light-years from Earth
In the middle of little-known nebula Gum 41, brilliant hot young stars are giving off energetic radiation that causes the surrounding hydrogen to glow red.
April 18, 2014
