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A word about the moon’s distance tonight
The moon was closest to Earth April 20. It'll be farthest from Earth May 6. Tonight's moon is closer to its average distance from Earth.
April 25, 2018
These sea turtles use magnetic fields like GPS
"They might not always make it back to the exact beach where they were born, and instead might opt for beaches with similar magnetic properties, as if their internal GPS has just slightly mixed up addresses."
April 24, 2018
Star trails show celestial equator
Enjoy this interesting and unique photo of star trails, showing the whereabouts of the celestial equator and the arc of stars around both celestial poles.
April 24, 2018
Moon sweeps through Leo the Lion April 23 to 25
The waxing gibbous moon moves toward Leo's brightest star Regulus, then passes it. It's a good time to identify this easy-to-find constellation.
April 23, 2018
Lyrid meteors before dawn April 23?
Will you see Lyrid meteors Monday morning? Maybe! The shower's peak has passed by Monday, but some meteors may still be flying.
April 22, 2018
How TESS will hunt for alien worlds
Launched last week, TESS will scan 200,000 close and bright stars, seeking new planets and possibly livable worlds. Here's a roundtable discussion with 2 scientists on the TESS mission.
April 22, 2018
This Pacific island is the most plastic-polluted place on Earth
Explore remote, uninhabited Henderson Island in the South Pacific. It may look idyllic from above, but is littered with millions of tons of plastic.
April 22, 2018
April 21 is Astronomy Day
A beautiful chart from astronomer Guy Ottewell, showing the evening sky on Astronomy Day 2018. Plus links to Astronomy Day events and other info.
April 21, 2018
Latest snow on record for thousands of US locations
What's the latest date that measurable snow has fallen in different parts of the United States? Check this interactive map from NOAA to find your record latest snow.
April 20, 2018
Antarctic Milky Way selfie
Jorgelina Alvarez of AstroLina Photography took this selfie at the Marambio Research Base on the Antarctic Peninsula.
April 20, 2018
