Astronomy

More Evidence that the Milky Way has Four Spiral Arms

Astronomers have been arguing over just how many spiral arms our Galaxy exhibits. Is the Milky Way a four or two-armed…

10 years ago

Tales (Tails?) of Two Comets: Prospects for Q1 PanSTARRS & G2 MASTER

Did you catch the performance of Comet C/2014 Q2 Lovejoy earlier this year? Every year provides a few sure bets…

10 years ago

NASAs Ten-Engine Electric Plane

NASA has been grabbing headlines recently with their potentially game-changing emDrive propulsion system. The emDrive has generated a lot of…

10 years ago

Mercury MESSENGER Mission Concludes with a Smashing Finale!

The planet Mercury has a brand new 52-foot-wide crater. At 3:26 p.m.  EDT this afternoon, NASA's MESSENGER spacecraft bit the Mercurial dust,…

10 years ago

Crossing Quarters: Would the Real Astronomical Midway Point Please Stand Up?

Happy May Day Eve! Maybe May 1st is a major holiday in your world scheme, or perhaps you see it…

10 years ago

New Horizons, Approaching Pluto, Detects Signs of Polar Caps

The latest set of images from the long range imager, LORRI, on New Horizons now reveals surface features. At a…

10 years ago

The 2015 Lyrid Meteors Peak Tomorrow Night!

April showers bring May flowers, and this month also brings a shower of the celestial variety, as the Lyrid meteors…

10 years ago

Close Encounter of the Asteroid Kind – 2015 HD1 Skims By Earth Tonight

If you wake up in the middle of the night with weird dreams about flying asteroids, I wouldn't be surprised. Around 3 a.m.…

10 years ago

100,000 Galaxies, and No Obvious Signs of Life

Beam us up, Scotty. There's no signs of intelligent life out there. At least, no obvious signs, according to a…

10 years ago

Lunar ‘Fountain of Youth’ Challenge / Mercury Returns with Gusto

16th century Spanish explorer Juan Ponce de León looked and looked but never did find the Fountain of Youth, a…

10 years ago