James R. Cooley, 53, engineer and avid mountain climber
Evidence of liquid water found on moon of Saturn
UM turns 150 with eyes on rank, research
NASA proposes cutting $3 billion for science
Crew will test shuttle in flight
The new space race to the moon gets under way
Keeping up with the competition
'When it's like this, you have to come out'
Strategy to shed gamma light on the mystery of dark energy
Fastest-ever spacecraft launched on trip to Pluto
High winds delay Pluto launch
Comet mission returns safely
Mission to comet finds complexity
We're back, and what a mess
Space station, Soyuz may be visible Sat. A.M.
Life on Mars? Not so fast, says NASA
Prize lifts would-be spacefarers
Give a big cheer for the end of this particular, peculiar year
NASA floats idea for balloon 'Superpressure' model could soar longer than conventional craft
NASA extends Galileo's Jupiter mission Probe is yielding loads of data on planet, moons
School flag returns from shuttle voyage Astronaut: A memento from a Howard County school that traveled in space may inspire students to reach for the stars.
Rock Star Fior years, planetary geologist Jim Garvin has loved and studied Mars from afar. His work has made him the most sought-after space scientist since Sagan.
Andrew G. Michalitsianos, 50, NASA astrophysicist
Lockheed told to start building prototype of 8,700-mph plane Pilotless X-33s planned to fly by July 1999; Air travel
Spaceflight used to teach perseverance Payload specialist returns to schools after 2nd shuttle trip; 'It's nearly all fun,' he says; Students ask Crouch about daily routine during zero gravity
Cassini launches familiar debate Nuclear foes fear accidents, but NASA insists risk is tiny
Four sealed in chamber to test space-age recycling technology Stay-at-home researchers prepare for trip to Mars
Going for out-of-this-world visit NASA: Space Center Houston is full of history, education and fun.
Cassini space probe poses no danger
Weightlessness of U.S. space policy
NASA, Energy scientists explain plutonium-powered craft to mayor
Note alcohol was a factor in Diana's...
Good idea, difficult sell Marketing: A smart inventor, such as Victor Norris of Ellicott City, can be his own worst enemy when he lacks the skills to sell his idea.
Building for the future in space Spacecraft: Orbital assembly of the International Space Station could be completed by 2003 if it can survive a myriad of technical and political crises.
Space firm, U.S. settle EER Systems agrees to pay $1 million in improper billing case; Defense, NASA jobs involved; Tens of thousands of documents studied in pretrial research
Satellite duties are down to earth Crew in Virginia verifies measurements
From toy planes to space shuttle Astronaut: As a boy in Baltimore, a member of next Discovery crew could only dream of taking amazing flights.
Solar-system series needs second Sagan Preview: Six-night television show on the Learning Channel tells all about the space where we live, but it lacks the starry-eyed passion the late astronomer brought to the subject.
Is saving Mir worth the effort? Spacecraft: The Russian station is battered and well past its designed life span. But while this makes some Americans nervous, Russia is reluctant to give it up.
Surrogate for the martian surface Vatnajokull: The eruption of a volcano under Europe's largest glacier last year fascinated geologists. Similar glacial flooding may have carved up Mars a billion or so years ago.
Mars: A planet beyond its prime Geologists still see much that's promising in Pathfinder's snapshots
Robots run ahead in the race for space Exploration: According to some, anything man can do, machines can do better.
Mars rover finds rock similar to Andes lava Signs indicate planet warm longer than thought
Mars shows evidence of vast flood Pathfinder's photos put deluge's width at hundreds of miles; Scientists 'in hog heaven'; Ancient wet condition raises question: Did forms of life exist?
Mir woes contrast U.S. success Mars landing: Magnifies foibles that exemplify depths of Russian space program.
Data from Mars indicate it could have supported life Evidence of liquid water, Earth-like features seen
Color of Mars' sky is key question for some atmospheric scientists Pathfinder spacecraft set to land on planet today and resolve some debates
Asteroid Mathilde is captured by camera of NASA spacecraft built by Hopkins lab Photographs suggest rock consists of solar system's oldest building blocks
Mir crew in peril after space crash Station loses power, air pressure after docking accident
Dark asteroid may be brought to light by APL satellite First pictures of primitive object could come Friday