The HiRISE camera on board NASA's Mars Reconnaissance Orbiter (MRO) has become the first instrument orbiting Mars to beam back images of comet Siding Spring's nucleus and coma. Continue reading →
The European Space Agency's Rosetta spacecraft has sent home several spectacular images that show a large pyramid-shaped boulder studding the surface of its target comet.
A tiny region has been spotted in the United States generating an anomalously high concentration of methane, a potent greenhouse gas. Continue reading →
Cubesats provide a valuable low-cost research space platform for institutions, universities, laboratories and space agencies, but could their use create a new hazard for the increasingly crowded orbital environment? Continue reading →
The United States military's high-technology branch is hoping to test out on-orbit satellite servicing in orbit in the next five years.
A private team is priming a 36-year-old NASA spacecraft to perform new science as it travels through interplanetary space after attempts to move the probe into a position closer to Earth failed.
Several geckos are at risk of a rude return to earth after Russia lost control of a research satellite testing the effect of weightlessness on the small lizards' sex lives.
In a newly released image of Jupiter's moon Europa, its frozen, cracked surface has been revealed in breathtaking color. Continue reading →
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