For the past few days, our friends around the world have been out at night looking for meteors. Here are some of the great pics they've shared them with us!
Astronomers have used NASA's Hubble Space Telescope to photograph the iconic Horsehead Nebula in a new, infrared light to mark the 23rd anniversary of the famous observatory's launch aboard the space shuttle Discovery on April 24, 1990.
Tips from an EarthSky community member on how to find a good location for the Lyrid meteor shower - and useful things to take with you if you decide to go out.
SN 1006 is a supernova remnant, a cloud of star debris initiated by a colossal stellar explosion in the year 1006. The debris has been expanding outward that year.
Previously, NASA's Jet Propulsion Laboratory said there was a 1 in 8,000 chance the comet would strike Mars. Now that chance has been reduced to 1 in 120,000.
The ice cloud above Titan's south pole can be seen only at infrared wavelengths. It means autumn is here, and winter is coming, for Titan's southern hemisphere.
Today's flare was associated with an Earth-directed CME. Most CMEs reach Earth in one to three days, making this a great weekend to watch for northern lights.