Astronauts John Grunsfeld and Drew Feustel successfully installed the Wide Field Camera 3 (WFC3) Thursday during the first of five scheduled EVAs, or spacewalks, to rejuvenate the Hubble Space…

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They did a great job describing the Hubble Ultra Deep Field, but an awful job showing a picture of it.  "They" will remain nameless, as they otherwise put together a really great exhibit of…

Monday afternoon the space shuttle Atlantis blasted off into the Florida sky carrying with it the hopes and dreams of astronomers like me and people around the world.  Seven NASA astronauts have…

The recent Star Trek movie raised a new set of conundrums about time travel and alternative realities. As an astrophysicist, I am clearly most able to tackle these issues. Basically, time travel…

Astronomy and green space? Yes, indeed. As an astrophysicist I always find great pleasure in pointing out that the Earth is a planet, just like all the rest of the bunch orbiting our Sun and thus an…

I've just wrapped up my time with another mission!  Can you match each satellite picture with its name? A B C  D E F Asca (Astro-D) RXTE (XTE) Astro-E SWIFT Suzaku (Astro-…

The Fermi collaboration released yesterday a paper describing their measurement of the electron and positron flux of cosmic rays. Simultaneously, a second paper was published by the HESS…

While I was napping, Jupiter became a 2nd sun. Although it was observed in January by STEREO, we forgot to tell people. Or perhaps we were hiding the truth. Also, it was so well covered on YouTube…

It's certainly the case that 'dark matter', like 'Smurf' or 'government regulation', has in recent times become a de facto explanation for the unexplained.   We aren't big believers in magic so…