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Does antimatter fall up or down?
Physicists present the first direct evidence of how atoms of antimatter interact with gravity
April 30, 2013
Herschel telescope goes blind, ends mission
The Herschel space observatory has exhausted its supply of liquid helium coolant, essential to cool the observatory's instruments.
April 29, 2013
Death Valley Dreamlapse – Part 2!
This awesome new timelapse video includes amazing star trails, the Milky Way, and a pink desert aurora.
April 29, 2013
Space junk headed for a cascade of collisions
When objects in Earth orbit collide, they create thousands of orbiting fragments. Then, the fragments collide.
April 27, 2013
See it! Photos of April 25-26 lunar eclipse
Best photos from EarthSky friends around the world of the partial lunar eclipse of April 25, 2013.
April 26, 2013
The sun sends two CME’s towards Mercury
The joint ESA and NASA mission the Solar Heliospheric Observatory (SOHO) captured a series of four images of a coronal mass ejection (CME) escaping the sun on the morning of April 25, 2013.
April 25, 2013
Einstein was right – so far
Record-breaking pulsar takes tests of general relativity into new territory.
April 25, 2013
Video: Three years of the sun in three minutes
This video includes two eclipses by the moon, the largest flare of our current cycle, the Comet Lovejoy and the transit of Venus.
April 25, 2013
Video: Wringing out a washcloth on the ISS
Here's another way cool video of astronaut Chris Hadfield doing an everyday thing in zero gravity aboard the ISS. This time he's wringing out a wet washcloth.
April 23, 2013
Three CMEs in two days
On April 20th and 21st of 2013, NASA was able to capture three coronal mass ejections (CMEs) in two days!
April 22, 2013
