22 June 2015, 08:36 AM ET
A new 'green-lighted' mission to the Jupiter moon will use cameras, spectroscopy and other instruments to measure the surface during several years of fly-bys.
22 June 2015, 07:00 AM ET
The first color "movies" of Pluto as seen by NASA's New Horizons spacecraft reveal the sheer strangeness of the orbital dance between the dwarf planet and its largest moon Charon.
21 June 2015, 11:44 AM ET
From a breathtaking view of Saturn's Dione to the 'Spit of Satan,' check out these amazing space images.
21 June 2015, 11:33 AM ET
Crashed comet lander Philae phones home. A dead satellite falls to Earth. Mars shows both methane-laced meteorites and a possibly icy past, and the moon's dust gets a source in the best of this week's space news.
21 June 2015, 07:21 AM ET
Dads everywhere will celebrate Father's Day today (June 21), and the Earth is joining the fun this year with the summer solstice, kicking off the first day of the northern summer.
21 June 2015, 06:20 AM ET
A public astronomy event at the Intrepid air and Space Museum in New York City featured a talk by Mason Peck, director of Cornell University’s Space System’s Design Studio and NASA’s former chief technologist.
20 June 2015, 08:26 AM ET
A spacecraft that will study Europa, one of Jupiter's icy moons with a potentially habitable environment, just passed a major hurdle.
19 June 2015, 09:59 PM ET
In new imagery of the dwarf planet taken from May 29th to June 3rd, 2015, its "near-true color" is revealed. Charon, also in view, is grey. The images are presented in a 'barycentric view,' with both Pluto and Charon in motion, and a 'Pluto-centric'
19 June 2015, 05:29 PM ET
On Tuesday (June 16), NASA's Cassini mission had an EXTREMELY close encounter with one of Saturn's cratered moons, Dione.
19 June 2015, 03:01 PM ET
Talk about galactic drama. Some of the strangest galaxies in the universe congregate in groups similar to this one, spied by the Hubble Space Telescope.
19 June 2015, 08:57 AM ET
On it’s way over the limb, as the Sun rotates, sunspot AR2365 popped a massive coronal mass ejection into space on 18 June 2015. The cloud of charged plasma was not, fortunately, moving along the line between Earth and Sun.
19 June 2015, 06:59 AM ET
It's New Year's Day on the Red Planet today and NASA is celebrating in style with an epic three-day party in Mars itself … Mars, Pennsylvania, that is.
18 June 2015, 03:16 PM ET
Comparing this 'cosmic quartet' is akin to every day life of the Rock greats, where you find internal strife (black holes, tidal tails), struggles for stardom (star formation) and sexual encounters (galactic mergers).
18 June 2015, 01:30 PM ET
After a 7-month hiatus, the revived European comet lander is nearly ready to resume work, expanding on our scientific understanding of the solar system.
18 June 2015, 12:50 PM ET
In our solar system, the objects with rainfall, rivers and oceans can be counted on two fingers: Earth, and Saturn's moon Titan. Both also share a thick atmosphere, rocky ground and plate tectonics.
18 June 2015, 10:56 AM ET
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile ‘weighed’ a a barred spiral galaxy (NGC 1097) about 45 million light years from Earth.
18 June 2015, 06:40 AM ET
Ancient Mars could have looked more like an icy snowball than the warmer, wetter planet that many researchers have suggested, according to a new study.
18 June 2015, 06:40 AM ET
Densely packed clusters of stars are accidents waiting to happen in space. This new photo reveals a spot near the center of the Milky Way with a crowd of stars likely to collide, merge and push one another around.
17 June 2015, 04:00 PM ET
The space-funding company Uwingu is offering a deal: Name a Red Planet crater between now and Father's Day (June 21) and receive a decorative certificate, either a downloadable digital version or a printed and framed one.
17 June 2015, 01:21 PM ET
The moon is surrounded by a permanent dust cloud likely caused by comet particle collisions, new observations reveal. NASA's LADEE moon dust probe data suggests the lunar dust cloud that is different than that seen by astronauts on Apollo 15 and 17.
17 June 2015, 01:01 PM ET
A Mars-size planet about 200 light-years from our solar system has turned out to be the lightest known alien world orbiting a normal star, researchers say. It is the first exoplanet smaller than Earth with both its mass and size measured.
17 June 2015, 01:00 PM ET
A permanent cloud of dust has been found hovering around the moon, caused by the impacts of tiny particles from deep space.
17 June 2015, 01:00 PM ET
By studying data from the Kepler probe, scientists have found a planet about the size of Mars, about 200 light-years away from Earth.
17 June 2015, 06:58 AM ET
Astronomers have found what looks like a population of the very first stars ever formed in the universe, forged from hydrogen created in the Big Bang.
17 June 2015, 06:50 AM ET
From studying extreme life forms on Earth, to using Antarctica as an analogue for icy moons in our solar system, scientists have a wide range of approaches to searching for life beyond Earth.
17 June 2015, 04:02 AM ET
Tropical Storm Bill lurks menacingly near the coast of Texas in a photo taken from space yesterday (June 15).
16 June 2015, 05:25 PM ET
NASA's New Horizons spacecraft is less than one month away from its flyby of Pluto and in great shape for what promises to be a truly epic encounter with the dwarf planet.
16 June 2015, 05:19 PM ET
Three days of GOES-East satellite imagery has been compiled to show the progress of the storm over the Gulf of Mexico from June 14th-16th, 2015. It makes landfall on the Texas coast on June 16th.
16 June 2015, 03:43 PM ET
Astronomers have finally spotted some of the original stars which created the elements of life. The European Southern Observatory's Very Large Telescope detected brilliant infant galaxies containing mega-giant simple stars.
16 June 2015, 11:01 AM ET
Methane, a potential sign of primitive life, has been found in meteorites from Mars, adding weight to the idea that life could live off methane on the Red Planet, researchers say.
16 June 2015, 07:01 AM ET
The sun is constantly roiling with activity, and every so often, it ejects a huge cloud of magnetized gas particles. If these particles hit Earth, they can bring power grids, GPS navigation and communications to a standstill as they're blasted by electrom
15 June 2015, 04:45 PM ET
Electrons from the surface of a comet, not photons from the sun, are responsible for the breakup of water and carbon dioxide molecules, according to new data from the Rosetta mission.