Three common microbes will be flown on shuttle Atlantis for studying infectious diseases during spaceflight.
NASA's STEREO, scheduled for launch at the end of the month, will provide data for understanding the impacts of solar eruptions.
Dust is behind the mysterious shapes and low surface reflectivity on the on the southern ice cap on Mars.
A daisy-shaped starshade could block out a star's light, allowing a detailed look at a planet around it.
When the universe was young, countless dwarf galaxies formed, heating the universe and preventing the formation of more small galaxies, a new study suggests.
Neptune's largest moon, Triton, was originally a member of a duo orbiting the Sun and was kidnapped in a close encounter with Neptune, a new model suggests.
Astronomers snapped a picture of nothing, and lo-and-behold what they got was, well, pretty much nothing.
The rotating star’s far side, out of view to astronomers, has now been fully seen for the first time using data from the Solar and Heliospheric Observatory (SOHO).
Though researchers find more and more distant planets revolving around alien suns, the discoveries highlight that Earth and its solar system may be an exceptionally rare place indeed.
New research suggests evidence of dark energy in our cosmic backyard, but theorists are still divided on explanations for the ever-increasing speed with which the universe is expanding.
The theory that the accelerated expansion of the universe is caused by mysterious dark energy is being challenged by New York University physicist Georgi Dvali.