Nov. 7, 2012
Scientists and sky watchers are converging on the northeast coast of Australia, near the Great Barrier Reef, for a total eclipse of the sun on Nov. 13/14. For researchers, the brief minutes of totality open a window into some of the deepest mysteries of solar physics.
Oct. 31, 2012
New results from NASA's Mars rover Curiosity show that the mineralogy of Martian soil is similar to weathered basaltic soils of volcanic origin in Hawaii.
Oct. 25, 2012
Astronomers have caught a red giant star in the act of devouring one of its planets. It could be a preview of what will happen to Earth five billion years from now.
Oct. 12, 2012
Earth is about to pass through a stream of debris from Halley's Comet, source of the annual Orionid meteor shower. Forecasters expect 25 meteors per hour when the shower peaks on Oct. 21st.
Sept. 28, 2012
A NASA spacecraft has recorded eerie-sounding radio emissions coming from our own planet. These beautiful "songs of Earth" could, ironically, be responsible for the proliferation of deadly electrons in the Van Allen Belts.
Sept. 27, 2012
Mars rover Curiosity has found evidence that a stream once ran vigorously across the area where the rover is now driving.
Sept. 21, 2012
A former rock-n-roller turned NASA engineer explains why he thinks Curiosity--both the Mars rover and the human desire to learn new things--matters to ordinary people on Earth.
Sept. 14, 2012
NASA's Mars rover Opportunity, still active after all these years, has just discovered a dense accumulation of puzzling little spheroids in a rock outcrop on the Red Planet.
Sept. 12, 2012
Once, astronomers thought planets couldn't form around binary stars. Now Kepler has found a whole system of planets orbiting a double star. This finding shows that planetary systems are weirder and more abundant than previously thought.
Sept. 12, 2012