Latest articles by Andrea Thompson
Methane fluorescence detected in hot Jupiter exoplanet atmosphere with ground-based telescope.
NASA's Mars rover Spirit may rove no more, but still plenty of science for it to do.
New model of planet formation and migration explains why proto-Earth didn't fall into the sun.
Jupiter moons sport different looks because of comet impacts early in solar system's history.
NASA gives slim odds of hearing from frozen Mars Phoenix Lander, but scientists still hope to hear something.
Exoplanet CoRoT-7b is weird world, with rock rains, super-volcanoes, evaporating surface.
NASA's Odyssey orbiter will listen for signals from Phoenix Mars lander to see if craft survived Martian winter.
Strange dust from planetary collisions and disks around massive stars point to very alien extrasolar systems.
Analysis of oxygen isotopes in galaxy suggest solar system formed in neighborhood of supernovas.
A rocky exoplanet likely actively volcanic, even more unfriendly to life.
New Chandra X-ray Observatory images and computer models show why the Milky Way black hole is starving.
Calculations suggest only 15 percent of Milky Way stars may have solar system like ours.
Infrared images from Hubble reveal most distant galaxies yet spotted.
New Spitzer telescope image shows star life cycle in the Small Magellanic Cloud.
A nearby white dwarf star could explode as supernova closer to our solar system than thought.
NASA Kepler mission finds five exoplanets with very low densities, observes starquakes.
The 2010 meeting of the American Astronomical Society billed as biggest astronomy meeting in the universe.
Spirit and Opportunity complete six years on Mars, with plenty of ups and downs.
Many important astronomical discoveries unexpected; future findings likely to be serendipitous as well.
Mars orbiter is back after a series of resets and ready to resume observing the red planet.
From snowfalls on Mars, to the polar craters of the moon, take a tour of the solar system’s chilliest spots.
Spirit rover's right-front wheel, immobile since 2006, surprisingly spins during test.
