Making sense of astronomical misconceptions

Shortly after posting my last blog, I was abducted by aliens who flew me to Thermoman's home planet of Ultron where I was taught secrets of the universe.

Probing Earth’s mysterious radiation belts

They're home to killer electrons, plasma waves, and intense electrical currents that can destroy satellites' electronics - and they're unpredicatable.

Satellite detects new black hole in our galaxy

The video in this post shows how NASA's Swift satellite made the discovery of a new black hole in our Milky Way, one of only about a dozen known.

If I had a boat, I’d sail Titan’s seas

On September 27, 2012, Spanish engineers presenting to the European Planetary Science Congress in Madrid proposed to send a boat to Titan.

Zoom in on the Seagull Nebula

Start with a broad view of the Milky Way and zoom in on Sirius, the constellation Orion ... then the distant Seagull Nebula - a dramatic star formation region.

Planet Nibiru is not real

Nibiru, sometimes called Planet X, is not going to collide with our planet this year - or ever - because it doesn't exist.

Deepest-ever view of the universe

Peering deeper into the universe than ever before, the eXtreme Deep Field was assembled using 10 years of Hubble Space Telescope observations.

Hot-gas halo surrounds our Milky Way, scientists say

NASA scientists estimate the mass of the hot-gas halo to be comparable to the mass of all the billions of stars in our Milky Way galaxy.

Video: Final flight of Space Shuttle Endeavour

Millions glimpsed and photographed Space Shuttle Endeavour on September 21, as it made its final aerial spin over California.

Bright meteor or space debris broke up over UK on September 21

The meteor sightings came around 2200 UTC (5 p.m. CDT) on September 21, 2012. The meteor was traveling east to west over U.K. skies. Many saw it!