Science & Astronomy Archive
30 July 2015, 07:01 AM ET
Members of NASA's Mars Reconnaissance Orbiter (MRO) science team are asking the public to help them categorize strange features near the Red Planet's south pole for further study and analysis.
30 July 2015, 07:00 AM ET
NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft and India's Mangalyaan probe both began circling the Red Planet last September, bringing the total number of operational Mars orbiters to five — the most ever.
29 July 2015, 04:17 PM ET
As a small galaxy crosses paths with a gigantic galaxy, its "fluffy outer parts" are stripped according to the the simulation creators M. Sandoval and A. Romanowsky. The dense core is what remains.
29 July 2015, 02:56 PM ET
Enhanced imagery of Saturn satellite Tethys show arcing streaks spanning hundreds of mile across the battered surface. These may be ice with organic impurities, outgassing from within the moon, or markers of fractures in the frozen rock.
29 July 2015, 01:34 PM ET
The desert regions of Saturn's moon Titan may have once hosted water that left behind traces of dry material on the surface, like rings on a bathtub, new research suggests.
29 July 2015, 01:01 PM ET
Astronomers have discovered the first aurora ever seen outside the solar system, an alien light show more powerful than any other aurora ever witnessed, perhaps 1 million times brighter Earth's northern lights.
29 July 2015, 11:58 AM ET
The dark red pole on Pluto's largest moon Charon may be some of the dwarf planet's own siphoned-off atmosphere.
29 July 2015, 07:01 AM ET
Colorful new maps of the dwarf planet Ceres reveal its dramatic mountains and deep craters, now with official new names.
29 July 2015, 07:01 AM ET
The Space Launch System megarocket, scheduled to fly for the first time in 2018, will blast unmanned spacecraft toward their targets at unprecedented speeds, dramatically reducing interplanetary travel times, advocates say.
29 July 2015, 07:01 AM ET
On Friday, much of the world will have the opportunity to observe a Blue Moon: A somewhat rare occurrence that doesn't have anything to do with the moon's color.
29 July 2015, 07:00 AM ET
Researchers are making strides on a radio telescope array that would be unfurled on the farside of the moon by an unmanned rover operated by astronauts hovering nearby at a gravitationally stable point in space.
28 July 2015, 08:20 PM ET
See photos and images of Ceres, a dwarf planet and the largest asteroid in the solar system yet known. Ceres is round and may contain more fresh water than the entire Earth. NASA's Dawn spacecraft will explore Ceres in 2015.
28 July 2015, 05:14 PM ET
The New Technology Telescope at ESO’s La Silla Observatory imaged Nova Centauri 2013 (V1369 Centauri) in July 2015, discovering the unexpected presence of the element lithium.
28 July 2015, 12:35 PM ET
NASA’s Dawn probe compiled topographic data from images taken at different times and Sun-angles. Colors represent elevations - starting 3.7 miles (6 kilometers) below the average surface (purple) to 3.7 miles (6 kilometers) above (brown).
28 July 2015, 12:09 PM ET
An asteroid packed with about $5 trillion worth of platinum zoomed past Earth on Sunday (July 19). Asteroid 2011 UW158 missed Earth by about 1.5 million miles (2.4 million kilometers), researchers said.
28 July 2015, 11:01 AM ET
The fiery demise of ancient huts in southern Africa 1,000 years ago left clues to understanding a bizarre weak spot in the Earth's magnetic field — and the role it plays in the magnetic poles' periodic reversals.
28 July 2015, 07:30 AM ET
Measurements by Curiosity's rock-zapping ChemCam laser and another instrument revealed that a chunk of bedrock dubbed Elk contains high levels of silica and thus is a good candidate to preserve ancient organic molecules, if any exist in the area.
28 July 2015, 07:00 AM ET
A new image captured by NASA's Cassini spacecraft highlights an impact basin on the Saturn moon Tethys. Called Odysseus, the 280-mile-wide (450 kilometers) impact basin is nearly half as wide as the satellite itself.
27 July 2015, 10:57 PM ET
It took almost a decade for NASA’s New Horizons spacecraft to navigate its way across the solar system. Was it worth the wait?
27 July 2015, 05:50 PM ET
Scientists and engineers had to work at breakneck speed to get New Horizons launched during a brief window in January 2006, or the probe's highly anticipated Pluto encounter would have been pushed into 2016 at the earliest.
27 July 2015, 10:11 AM ET
Weak solar activity could slowly fire up the ocean circulation mechanism, increasing the amount of warm water and air flowing to Greenland.
27 July 2015, 08:52 AM ET
Atmospheric pressure at the surface of the icy dwarf is surprisingly low. Previous Earth-based estimates were more than double New Horizons’ reading.
27 July 2015, 07:00 AM ET
NASA's planet-hunting Kepler space telescope continues to zero in on the first "alien Earth" despite being hobbled by a glitch more than two years ago. The mission's huge dataset should keep researchers busy for decades, team members say.
27 July 2015, 06:00 AM ET
The famous bright spots at the bottom of Ceres' Occator crater appear to be sublimating material into space, creating a localized atmosphere within the walls of the 57-mile-wide (92 kilometers) hole in the ground, new observations by NASA's Dawn spacecraf
26 July 2015, 06:00 AM ET
Planet like an older Earth is found, Stephen Hawking signs on to an ambitious search for extraterrestrial life and a faulty strut is proposed as the cause of SpaceX's rocket explosion in Space.com's top news stories of the week.
26 July 2015, 06:00 AM ET
From amazing new views of Pluto's glaciers and mountains to artist's depictions of newfound "Earth cousin" Kepler-452b and photos of sunspots captured from Mars by NASA's Curiosity rover, don't miss these stunning space images.
24 July 2015, 04:08 PM ET
Amazing new photos of Pluto from NASA's New Horizons spacecraft show a dwarf planet covered in rugged terrain, exotic flowing ices and a hazy atmosphere. NASA unveiled the new discoveries on July 24, 2015.
24 July 2015, 04:03 PM ET
NASA New Horizons' principal investigator Alan Stern and co-investigator Michael Summers break down the new discoveries at a press conference on July 24th, 2015.
24 July 2015, 03:58 PM ET
NASA New Horizons' deputy project scientist Cathy Olkin and co-investigator William McKinnon reveal Pluto composition data at a press conference on July 24th, 2015.
24 July 2015, 02:34 PM ET
The northwestern Sputnik Planum and Hillary Montes is highlighted in this simulated fly-by. Created from images obtained from NASA's New Horizons probe's close fly-by.
24 July 2015, 01:44 PM ET
Asteroid 2011 UW158 is irregularly shaped and has an unusually fast spin. The asteroid is 2000X1000 feet across (600X300 meters) and made its closest approach to earth at 1.5 million miles on July 19th, 2015.
24 July 2015, 12:35 PM ET
This stunning space wallpaper shows the possible appearance of the planet Kepler-452b, the first near-Earth-size world discovered in the habitable zone of star similar to our sun.