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Planet circus in May, with explanation
A beautiful spatial view of our solar system from Guy Ottewell, showing the planets’ paths along their orbits in approximately mid-May, 2017, with sightlines to them from the Earth.
May 15, 2017
Eta Aquarid over Mount Bromo
Cool short video of an early morning Eta Aquarid meteor over Mount Bromo in Indonesia, by Justin Ng. Take a few seconds and enjoy!
May 13, 2017
Watch 200th spacewalk Friday
Watch 2 astronauts perform landmark 200th ISS spacewalk on Friday, May 12. Live coverage begins at 6:30 a.m. EDT (10:30 UTC). Links to viewing here.
May 11, 2017
Astronomers find waves in Io’s lava lake
New data on the massive molten lake on Jupiter's moon Io - most volcanically active world in our solar system - suggest 2 lava waves per day, slowly sweeping west to east.
May 10, 2017
Asteroid 2014 JO25: What we learned
This article from NASA's Center for Near-Earth Object Studies provides fresh details on the closest approach by a large asteroid since 2004 ... and shows you how science works.
May 9, 2017
The last of Hubble’s Frontier Fields
With a final observation of remote galaxy cluster Abell 370, the Hubble Space Telescope's mind-stretching Frontier Fields program came to an end.
May 7, 2017
X-ray tsunami in Perseus galaxy cluster
Not so very long ago or far away in astronomical terms, a near-miss between titanic galaxy clusters might have set into motion an immense wave of hot gas.
May 5, 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
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
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
