Incredible Views: Comet PANSTARRS Meets the Andromeda Galaxy
We warned you it was going to happen, and here's visual proof! In this comet encounter of the extragalactic kind,…
Building the Alpha Magnetic Spectrometer: 16 Years in 3 Minutes
The Alpha Magnetic Spectrometer on board the International Space Station released its first results today (read about them here) after…
Wrapping Around The Mystery Of Spiral Galaxy Arms
How disk galaxies form their spiral arms have been puzzling astrophysicists for almost as long as they have been observing…
Space Station Detector Finds Extra Antimatter in Space, Maybe Dark Matter
The first results from the largest and most complex scientific instrument on board the International Space Station has provided tantalizing…
Astrophotos: We Have Liftoff from the Sun!
Here are three images showing large prominences recently lifting off from the Sun's surface. Solar prominences are sheets or arcs…
How Big Are Galaxies?
I'm going to refrain from the initial response that comes to mind... actually, no I won't -- they're really, really,…
Earth Month: NASA Launches New Interactive Image Gallery
In honor of Earth month, NASA has launched a beautiful new interactive image gallery that explores and highlights our latest…
First-Ever High Resolution Radio Images of Supernova 1987A
On February 23, 1987, the brightest extragalactic supernova in history was seen from Earth. Now 26 years later, astronomers have…
NASA Trailer Achieves Crowdfunding Goal to Run Before Star Trek: Into Darkness
Here's one bit of NASA outreach that won't be affected by suspensions or sequesters: an edited version of "We Are…
Astronomers Watch as a Black Hole Eats a Rogue Planet
In Star Wars, the Millennium Falcon narrowly escaped being devoured by an exogorth (space slug) slumbering inside an asteroid crater.…