The sharpest image ever taken of the large "grand design" spiral galaxy M81 is being released today at the American Astronomical Society Meeting in Honolulu, Hawaii. A spiral-shaped system of stars,…

On 12 May 2007 Cassini obtained this image showing the coastline and an archipelago in a portion of a large sea, consistent with the larger sea seen by the Cassini imaging instrument. Like other…

When Dutch astronomer Willem de Sitter proposed a static model of the universe in the early 1900s, he was some 3 trillion years ahead of his time. Now, physicists Lawrence Krauss from Case Western…

Plasma astrophysicists at the University of Warwick have found that key information about the Sun’s 'storm season’ is being broadcast across the solar system in a fractal snapshot imprinted in the…

The University of Delaware is helping to build a huge "IceCube" at the South Pole, and it has nothing to do with cooling beverages. "IceCube" is a gigantic scientific instrument--a telescope for…

The High Resolution Stereo Camera (HRSC) on board ESA’s Mars Express has captured breathtaking images of the Deuteronilus Mensae region on Mars. The images were taken on 14 March 2005 during orbit…

A patch of Martian soil analyzed by NASA's rover Spirit is so rich in silica that it may provide some of the strongest evidence yet that ancient Mars was much wetter than it is now. The processes…

Astronomers have used powerful adaptive optics technology at the W. M. Keck Observatory in Hawai‘i to reveal the precise locations and environments of a pair of supermassive black holes at the center…

The James Clerk Maxwell Telescope (JCMT) on Mauna Kea in Hawaii has a new way to look at the Universe, thanks to two revolutionary instruments called HARP and ACSIS. These instruments operate…

Astronomers have discovered the exact location and makeup of a pair of supermassive black holes at the center of a collision of two galaxies more than 300 million light years away. Using adaptive…