Costa Rica's Cocos Island National Park, nicknamed "Shark Island," has what might be the highest concentration of sharks anywhere. But even here, sharks are vulnerable.
Cow's emissions of methane, a greenhouse gas, can be reduced with a more natural diet, farmers are learning. Methane is a powerful contributor to global warming.
As South Africa reels from a major HIV/AIDS epidemic, health workers are turning to cell phone technology to get the word out about testing for the virus.
The space telescope, which had been out of commission since late September, should have some key instruments turned back on by early Saturday, engineers report.
NASA's new prototype lunar rover improves on the original moon buggies by
incorporating 35 years of technology, including an anti-rollover mechanism
used in SUVs.
The next astronauts on the moon will ride in style thanks to lessons learned from the Apollo missions and technology culled from decades of consumer car designs.
The oscillations of three stars within 200 light-years of Earth could help astronomers refine models of how stars like our sun operate on their insides.
Winds that reach speeds of 7,000 miles (11,265 kilometers) per hour can carry heat from the sunny side to the dark side of Jupiter-like exoplanets, a new study shows.
A pair of unrelated anomalies forced engineers to stop trying to remotely revive the space telescope, which officials think won't be back to full science operations until late next week.
