Mar 20, 2017
NASA is embracing small satellite designs, from tiny CubeSats to micro-satellites. These miniature marvels are providing many ways to collect science data and to demonstrate new technologies.
Sep 3, 2013
September 3, 2013: Back in the 60s and 70s, Apollo astronauts circling the Moon saw something that still puzzles researchers today. About 10 seconds before lunar sunrise or lunar sunset, pale luminous streamers would pop up over the gray horizon. These “twilight rays... Read More
Aug 29, 2013
August 29, 2013: Data from a NASA airborne science mission has revealed an immense and previously unknown canyon hidden under a mile of Greenland ice. "One might assume that the landscape of the Earth has been fully explored and mapped," said Jonathan Bamber,... Read More
Aug 29, 2013
A NASA spacecraft slated for launch in September will fly to the Moon to investigate the tenuous lunar atmosphere. Researchers hope "LADEE" will solve a mystery that has been puzzling them since the days of Apollo.
Aug 23, 2013
August 23, 2013: Around the world, astronomers are buzzing with anticipation over the approach of Comet ISON. On Thanksgiving Day 2013, the icy visitor from the outer solar system will skim the sun's outer atmosphere and, if it survives, could emerge as one of the... Read More
Universe, Solar System
Aug 17, 2013
August 17, 2013: When the Space Age began, astronomers knew of exactly zero planets outside the solar system. What a difference 50 years makes.
Aug 15, 2013
Comet ISON is heading for a Thanksgiving Day brush with the sun, but first it's going to pay a visit to Mars. In this week's ScienceCast, researchers discuss what might happen when Comet ISON meets the Red Planet.
Aug 15, 2013
August 15, 2013: Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA's Gorkavyi and colleagues witnessed the atmospheric aftermath. The... Read More
Aug 8, 2013
An exotic class of exoplanets called "hot Jupiters" are even weirder than astronomers imagined. While these worlds may have Earth-like blue skies, new data show that they are anything but Earth-like.
Aug 5, 2013
Something big is happening on the sun. The sun's global magnetic field is about to flip, a sign that Solar Max has arrived.
Aug 5, 2013
August 5, 2013: Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip. "It looks like we're no more than 3 to 4 months away from a complete field reversal,"... Read More
Aug 3, 2013
August 3, 2013: NASA's Hubble Space Telescope has detected a new kind of stellar blast called a kilonova, which happens when a pair of compact objects such as neutron stars crash together. Hubble observed the fading fireball from a kilonova last month, following a... Read More
Sun, Solar System
Jul 26, 2013
July 26, 2013: In astronomy, there's nothing quite like a bright meteor streaking across the glittering canopy of a moonless night sky. The unexpected flash of light adds a dash of magic to an ordinary walk under the stars. New research by NASA has just... Read More
Jul 25, 2013
New research from NASA's Meteoroid Environment Office identifies the Perseids as the "fireball champion" of annual meteor showers. This year's Perseid display peaks on August 12th and 13th.
Jul 23, 2013
July 23, 2013: Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.