Sept. 21, 2010
For the first time in almost 20 years, northern autumn is beginning on the night of a full Moon. The coincidence sets the stage for a "Super Harvest Moon" and a must-see sky show to mark the change of seasons.
Sept. 21, 2010
Researchers using data from NASA's STEREO spacecraft have found that solar storms don't always travel in a straight line. This adds a surprising new twist to the science of space weather forecasting.
Sept. 15, 2010
Jupiter and Earth are converging for their closest encounter in more than a decade. Only the Moon itself is outshining the giant planet in the midnight sky, and the view through a telescope is dynamite.
Sept. 13, 2010
An alien world in the constellation Leo is breaking the rules of giant-planet chemistry, prompting researchers to re-think the make-up of exoplanet atmospheres.
Sept. 9, 2010
In a paper published today in the Astrophysical Journal Letters, a group of professional and amateur astronomers announced that Jupiter is getting hit surprisingly often by small asteroids, lighting up the giant planet's atmosphere with frequent fireballs.
Sept. 2, 2010
NASA's daring plan to visit the sun took a giant leap forward today with the selection of five key science investigations for the Solar Probe+ spacecraft.
Aug. 26, 2010
NASA's Kepler spacecraft has discovered two Saturn-sized planets transiting the same sun-like star. The same system might contain a third world--a hot "super-Earth" one and a half times the size of Earth--but this is not yet confirmed. Researchers announced the results today at a NASA press conference.
Aug. 24, 2010
Warning: The Mars Hoax is back--and it's mutating! Read today's story from Science@NASA to find out what's really going to happen in the night sky on August 27th.
Aug. 19, 2010
NASA's Dawn spacecraft is now less than a year away from giant asteroid Vesta. Today's story from Science@NASA offers a sneak preview of an "alien, unexplored world" that seems sure to amaze.
Aug. 16, 2010
A Japanese spacecraft named "Akatsuki" is approaching Venus on a mission that planetary scientists say could end up teaching us a great deal about our own planet Earth.