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Keep watching Eta Aquarid meteors
Did you see any Eta Aquarid meteors Friday morning? Saturday morning is a good time to watch, too. Try around 3 a.m. until dawn. Be sure to get away from city lights.
May 4, 2017
Video: Close-approach comets
ScienceCast video from NASA about comets passing near Earth in 2017 and 2018, and about how scientists are studying them. Plus photos from our community!
May 3, 2017
Big Dipper over Chile
Yuri Beletsky took this shot of the Big Dipper over Northern Chile.
May 3, 2017
Moon and Regulus on May 3 and 4
Bright Jupiter is nearby. From Australia and New Zealand, the moon occults or passes in front of Regulus on the evening of May 4, 2017.
May 3, 2017
Cassini finds ‘big empty’ near Saturn
It's not totally empty, but the space between Saturn and its rings is much emptier than scientists expected. Cassini will make its 2nd dive through this gap at 3:38 p.m. EDT (19:38 UTC) today.
May 2, 2017
Tulip field in Holland
Keukenhof in Holland - situated on what once were hunting grounds for a 15th century castle - is now known for its tulips. Here's how one tulip field looked a few days ago.
May 2, 2017
Milky Way over New Zealand
The core of the Milky Way is coming back into view in the evening. Here's a preview, from a glorious Southern Hemisphere vantage point.
May 1, 2017
Moon and Gemini stars on May 1
Stars near tonight's moon. Plus a skywatcher's trick to help you understand the moon's motion among the stars. And some tips on finding sky directions!
May 1, 2017
Simulating the smallest ring world
Chariklo is the smallest space body known to have rings. A new supercomputer simulation by Japanese researchers suggests a life expectancy for the rings of only 1 to 100 years.
April 30, 2017
Cassini dives between Saturn and rings
The Cassini spacecraft made the first-ever dive through the narrow gap between the planet Saturn and its rings on Wednesday.
April 29, 2017
