16 October 2013, 10:58 AM ET
Just like the moon, Mercury is a desolate, rocky and airless body, albeit a bit bigger than Earth's satellite, said Sean Solomon, the principal investigator for NASA's Messenger mission to Mercury.
11 October 2013, 07:01 AM ET
Clouds formed under Martian conditions in a three-story-tall chamber in Germany after researchers cranked up the humidity to 190 percent — nearly double the threshold required for clouds on our own planet.
09 October 2013, 10:36 AM ET
Deep in the Sahara Desert, the Al Jawf oasis in southeastern Libya is pictured in this space wallpaper from Japan’s ALOS satellite.
01 October 2013, 04:23 PM ET
The NASA mission to Jupiter (Juno) will use a gravity assist from Earth to send it on its way to the Gas Giant. There will also be opportunities to see 9% more of the moon on its eastern and western limbs.
27 September 2013, 11:57 AM ET
Is the moon a present from Venus, which once had a moon and then lost it? A wild new theory puts the scenario out there.
27 September 2013, 11:50 AM ET
According to models, temps and precip. will change dramatically over the next 87 years, with amounts varying per location. Worldwide land area temperatures are predicted to increase, along with areas of heavier and decreased precipitation.
27 September 2013, 07:00 AM ET
NASA astronaut Karen Nyberg captures stunning image of the Earth's horizon at sunset reflecting off the International Space Station's solar arrays on Sept. 18. See how she did it here.
16 September 2013, 10:36 AM ET
Humanity has reached a bottleneck this century: Technical developments could cause catastrophic damage to the planet, or they could save us from our man-made quandary.
04 September 2013, 03:55 PM ET
This space wallpaper is a comparison of how big the moons of Mars appear to be, as seen from the surface of Mars, in relation to the size that Earth's moon appears to be when seen from the surface of Earth.
04 September 2013, 01:32 PM ET
Learn how you can get your questions answered by NASA's climate scientists in this public outreach program.
03 September 2013, 01:23 PM ET
A meteor or comet impact near Quebec heaved a rain of hot melted rock along the Atlantic Coast about 12,900 years ago, a new study claims. The new research impacts a controversial theory about a big climate shift called the Younger Dryas.
26 August 2013, 03:58 PM ET
Changes in temperature, rainfall and wind speed over the next 77 years increases the likelihood of extreme fire events across large portions of the U.S., Canada and Mexico.
23 August 2013, 01:28 PM ET
In the 20 years since the idea was first proposed, scientists have improved their understanding of an ice-covered "snowball Earth." Researchers Linda Sohl recently spoke about how the idea has evolved along with the technology that studies it.
23 August 2013, 09:57 AM ET
The northwestern part of Greece is pictured in this space wallpaper by the Landsat-8 satellite. The Ionian Sea dominates the left side of the image, with the Ambracian Gulf near the center.
21 August 2013, 04:00 PM ET
A NASA spacecraft called Cassini took photos of Earth from its spot in the Saturn system while all of humanity waved at the ringed wonder on July 19. A new NASA collage lets you explore photos of that day by space fans around the world.
21 August 2013, 03:42 PM ET
See photos from NASA's ' Wave at Saturn' campaign to urge people around the world to wave at the ringed planet on July 19, 2013. On that day, NASA's Cassini spacecraft took a cosmic portrait of Earth as it appeared from Saturn.
14 August 2013, 07:16 AM ET
See fantastic photographs of Earth taken by astronaut Karen Nyberg aboard the International Space Station during Expedition 36/37 in 2013.
12 August 2013, 12:15 PM ET
ESA astronaut Luca Parmitano took this photo of the Mediterranean and the Pleiades as seen from the International Space Station in this cool space wallpaper. "The Mediterranean, the Pleiades and a storm in the distance," he Tweeted on July 29, 2013.
06 August 2013, 04:46 PM ET
Lightning on Earth can be a spectacular sight, but astronauts in space have a unique view on the electrical events. See dazzling photos of Earth’s lightning as seen from space in these cosmic images.
24 July 2013, 10:45 AM ET
This rare space wallpaper taken on July 19 by NASA's Cassini spacecraft shows Saturn's rings and our planet Earth and its moon in the same frame.
23 July 2013, 04:16 PM ET
Significant warming is imminent and inevitable at current level of greenhouse gas carbon dioxide concentration (400 parts per million), if it rises to 800 ppm, North America could rise 8 degrees Fahrenheit warmer (on average) with major consequences.
23 July 2013, 02:08 PM ET
It's not often that some event comes along to really show humanity its true place in the universe, but two NASA spacecraft have just managed the feat. The photos of Earth from Saturn and Mercury give us perspective on humanity's role.
22 July 2013, 05:58 PM ET
A portrait of Earth from a distance was snapped Friday (July 19) and released today by the team behind NASA's Cassini probe at Saturn. In the photo, Earth appears as a tiny pinprick amid the rings and sphere of Saturn, which Cassini has been orbiting sinc
22 July 2013, 02:59 PM ET
Earthlings en mass waved at Saturn on Friday (July 19) for a planetary portrait session being snapped by NASA's Cassini probe at the ringed planet. Cassini was taking advantage of a rare total eclipse of the sun from Saturn to snap Earth's photo.
11 July 2013, 07:01 AM ET
In this interview, Dr. David Grinspoon discusses the implications of the Anthropocene — a proposed geological time period that would recognize humanity as a global force shaping the landscape and evolution of our planet.
10 July 2013, 02:42 PM ET
Periodic wobbles in Earth's core change the length of a day every 5.9 years, according to a study published today (July 10) in the journal Nature.
10 July 2013, 09:49 AM ET
The foothills of the Andes Mountains near the southern coast of Peru were captured by the Kompsat-2 satellite, as seen in this cool space wallpaper.
03 July 2013, 11:37 AM ET
Using an innovative process that combines hundreds of flat 2D space photos, the upcoming IMAX movie 'In Saturn's Rings' brings depth to awe inspiring photos of planets and galaxies, allowing viewers to 'fly through' these cosmic wonders.
03 July 2013, 09:30 AM ET
On July 1st, 2013, a large prominence erupted off the Sun's eastern limb and on July 3rd, an M1.5-class flare made a statement. Neither eruptions were Earth-directed. NASA's Solar Dynamics Observatory snapped imagery.
01 July 2013, 05:00 PM ET
The recently launched Proba-V miniaturised satellite captured this space wallpaper over the border region of northern Syria, southeastern Turkey and northern Iraq on May 28, 2013.
01 July 2013, 02:47 PM ET
The NASA probe will capture imagery of of the ringed planet with Earth in its backdrop on July 19th, 2013. NASA's Jet Propulsion Laboratory has created a public out reach program called 'Wave At Saturn' for the event and will compile a mosaic.
28 June 2013, 11:15 AM ET
ESA astronaut snapped this view of moonset from the International Space Station as seen in this stunning space wallpaper. Parmitano is onboard the orbital outpost as part of ESA's long duration mission, Volare.
26 June 2013, 08:19 AM ET
25% of the Earths surface is green with vegetation. The NASA/NOAA Suomi NPP satellite detects the fine differences is vegetation across the planet and has delivered some of the highest detailed data to date.
25 June 2013, 12:38 PM ET
The Spanish city of Barcelona is pictured in this space wallpaper by Japan’s ALOS satellite. Along the coast, we can see the Barcelona’s port—one of Europe’s top ten largest container ports. This image was released June 21, 2013.
24 June 2013, 10:10 AM ET
Arctic-permafrost holds more carbon than all fossil-fuel emissions since record-keeping began in 1850. NASA's Carbon in Arctic Reservoir's Vulnerability Experiment (CARVE) monitors melting which could expose carbon, accelerating global warming.
21 June 2013, 06:40 PM ET
Scientists say a giant impact knocked off the raw ingredients for the moon off the primitive molten Earth and into orbit. SPACE.com has an overview of Earth’s Moon, including its composition and orbit.