European scientists recently used a telescope instrument called HARPS to measure the chemical content of 500 stars similar to the Sun, some with known planetary systems and others without.
If you missed out on last month's Leonid Meteor Shower, don’t fret. What potentially will be the best meteor display of the year is just around the corner, scheduled to reach its peak during the overnight hours of December 13-14: The Geminid Meteor Shower.
Potentially will be the best meteor display of the year, the Geminid Meteor Shower is scheduled to reach its peak during the overnight hours of December 13-14.
A new series of telescope images taken with conventional cameras, high-resolution ground telescopes, and the Hubble Space Telescope show glittering details of this colorful star cluster in the Southern Cross constellation.
On April 23, 2009, NASA’s Swift satellite captured a glimpse of the most distant astronomical object ever seen—the fading afterglow of a massive stellar explosion called a gamma-ray burst.