What Telescope is Right for You?

20 years ago

Amateur astronomy may very well be the most popular and quickly growing scientific hobby in the world today. This popularity…

Titan’s Fourth Flyby

20 years ago

NASA's Cassini spacecraft made its fourth flyby of Titan, Saturn's largest moon, on Tuesday. At its closest approach, the spacecraft…

SMART-1’s Mission Extended

20 years ago

Even though SMART-1 has only just reached the Moon, controllers with the European Space Agency have decided to extend its…

The Limit of Black Holes

20 years ago

Researchers have used the Chandra X-Ray Observatory to understand just how large supermassive black holes can get by performing a…

Book Review: Our Improbable Universe

20 years ago

From the big to the small, physicists want to know it all. But what good is this knowledge unless you…

Spirit Finds New Rock Affected by Water

20 years ago

Scientists working with the Mars Exploration Rover Spirit believe it's discovered another rock that was affected by liquid water in…

Centre of Valles Marineris

20 years ago

The European Space Agency's Mars Express spacecraft took this image of the central region of the Valles Marineris. This 4,000…

What’s Up This Week – Feb 14 – 20, 2005

20 years ago

Now who put that "Valentine" up there in the stars? Although the splendid IC 1805 will be lost to this…

Safe Havens for Planetary Formation

20 years ago

There should be relatively safe orbits within the swirling gas and dust of a newly forming solar system that could…

Swift’s First Burst Pinpointed

20 years ago

Astronomers from Carnegie and Caltech have pinpointed the exact location of the first gamma-ray burst detected by NASA's Swift observatory…