Rovers are Getting a Little Dusty
Now on the surface of Mars for longer than a year, the twin Mars Exploration Rovers, Spirit and Opportunity, are…
Missing Matter Could Be Clouds of Gas
NASA's Chandra X-Ray Observatory has located two huge clouds of interstellar hot gas that could partially explain where all the…
Where Did the Modern Telescope Come From?
In this article Jeff Barbour explores the origins and development of that "Instrument of Long Seeing" known as the telescope.…
Swift is Now Fully Operational
Mission controllers used NASA's Swift satellite to capture this image of the Pinwheel Galaxy (M101) using its Ultraviolet/Optical Telescope (UVOT).…
Digging on Mars Won’t Be Easy
Because of the tremendous distance to Mars, human explorers will probably process local materials to get their air, fuel, and…
Interview Asteroid Researcher Dr. David J. Tholen
With all the recent news about asteroids and comets, I figure you've got a lot of questions. Well, now's your…
What’s Up This Week – Jan 31 – Feb 6, 2005
Greetings, fellow SkyWatchers! As the month ends and a new week begins, it's time chase down the "Magnificent Machholz" again…
Mars Glows at Night
The European Space Agency's Mars Express spacecraft has discovered that Mars' atmosphere glows during the night. The discovery was made…
A Pristine View of the Universe… from the Moon
The Hubble Space Telescope has unquestionably shown the benefits of a space-based observatory, but having a telescope far from Earth…
Pluto and Charon Could Have Formed Together
Many scientists feel that there's compelling evidence that the Moon formed when a Mars-sized planet smashed into the Earth, throwing…