Sunspot cycle beginning in 2012 may put satellites, power grids at risk.
Beijing woos some of its best expatriate scientists. US should act, some say.
Column: Links between man and microbe, and how life can survive in unexpected places.
Column: How a decline in tiny water-based plants is hurting penguin populations.
The International Space Station’s narrow miss last week highlights the risk of collisions with space junk.
The Space Shuttle Discovery will bring the last US-made piece to the space station when it launches Wednesday.
The US will launch the Kepler spacecraft Friday to look for other Earths.
Column: These itty-bitty microbes are the most sophisticated chemists on Earth.
NASA’s attempts to figure out how astronauts will survive the frigid, 334-hour lunar night lead it to a sunlit crater rim near the south pole.
A NASA satellite designed to study carbon emissions is sleeping with the fishes somewhere off Antarctica.
Column: Advances in DNA research enhance basic concepts of evolution.
Column: Anniversary events mark discoveries in astronomy and evolution.
Scientists examine bee dances and the hands of traders to determine where the market is headed.
Column: Greatest advances include efforts to reprogram cells, ways to see distant planets, and a less expensive way to turn water into fuel.
With enough investment, geothermal power could satisfy 10 percent of the US energy diet, energy experts say.
It will be the 24th leap second since 1972, keeping clocks in sync with Earth’s rotation.
Column: They gain new insights on black holes and distant nebulas by tracking the path of stars and interstellar gases.
Some predict that within five years, it could rival fossil-fuel energy.
Scientists look at ‘genetic footprints’ in yeast and study mineral development to learn more about Earth's primordial past.
A shuttle, launching Friday, will bring a new bathroom, fridge, and water system.