Planet News
First-Time Solar System Mosaic From the Inside Out
[/caption] Say cheese! The MESSENGER spacecraft has captured the first portrait of our Solar System from the inside looking out. The…
Kepler Discovers First Earth Sized Planets inside Habitable Zone
[/caption] With the startling new finding of dozens of Earth-sized extrasolar planets, NASA's Kepler planet hunting space telescope has just…
Q & A with Mike Brown, Pluto Killer, part 2
[/caption] Here's part 2 of our conversation with astronomer Mike Brown. Yesterday, he talked about the latest findings on Eris,…
Review: “How I Killed Pluto and Why it Had it Coming” — Plus win a copy!
[/caption] It’s hard to imagine, but in 1992 astronomer Mike Brown didn’t know what the Kuiper Belt was. He had…
Exoplanet Discovery Lists top 500
[/caption] It was only a little over a year ago that the 400th extrasolar planet was confirmed, but time flies…
Stellar Occultation by Eris
On November 6, 2010, the dwarf planet Eris occulted a faint 16 magnitude star and this was the first time…
Eris and Pluto: Two Peas in a Pod
[/caption] Or two dwarf planets in the Kuiper Belt… Eris -- that pesky big dwarf planet that caused all the…
Astronomers Use Radio Signals for New Way to Weigh Planets
[/caption] Finding the mass of other planets is tricky, and usually is done by measuring the orbits of their moons…
Hubble Confirms Comet-like Tail on Vaporizing Planet
Next time you hear someone complaining that it's too hot outside, you can make them feel better by pointing out…
Earth Hour 2010
Where will you be when the lights go out? Earth Hour 2010 will take place on Saturday, March 27 at…