Science & Astronomy Archive
09 June 2015, 06:18 AM ET
A new NASA Web tool called "Pluto Time" lets users experience the light levels that prevail at noon on the dwarf planet. Users enter their location, and Pluto Time tells them the next available opportunity to soak up some Plutonian rays.
09 June 2015, 06:15 AM ET
The new Ceres video, which NASA released today (June 8), was created using 80 images captured by the space agency's Dawn probe during its first mapping orbit of the dwarf planet, from an altitude of about 8,400 miles (13,600 kilometers).
09 June 2015, 02:32 AM ET
A massive new telescope under construction in Chile, the LSST, will be one of the largest eyes on the sky — and it's getting scientists excited about what they might find.
08 June 2015, 10:31 AM ET
As NASA’s Dawn Mission mapped the crater-riddled little world, the images used to make this animation were captured from about 8,400 miles altitude and include navigation imagery from 3,200 miles out.
08 June 2015, 09:37 AM ET
Though Hubble doesn’t typically discover exoplanets, it is sometimes used to determine what lies in their atmospheres. Future telescopes should be powerful enough to ‘see’ markers of life processes in the ‘air’ of Earth-sized alien world.
07 June 2015, 10:00 AM ET
Scientists announced surprising discoveries about Pluto's moons, a spacecraft beamed home amazing images taken from a comet's surface, and the United Arab Emirates outlined its bold Mars plans. Here's a look at Space.com's top stories of the week.
07 June 2015, 09:31 AM ET
From up-close looks at Saturn's "spongy" moon Hyperion to photos of the first NASA spacewalk, which occurred 50 years ago this week, don't miss these amazing space images.
05 June 2015, 08:54 PM ET
The light from the faraway HATLAS J090311.6+003906 structure was warped by a massive foreground galaxy to form an ‘Einstein Ring’ as captured by the  ALMA observatory’s Long Baseline Campaign.
05 June 2015, 11:20 AM ET
On Wednesday, President Barack Obama mentioned something curious in a tweet — it was a message about the cosmos.
05 June 2015, 07:50 AM ET
A rundown of some of the most common misconceptions about the dwarf planet, which will be imaged in detail for the first time during the July 14 flyby of NASA's New Horizons spacecraft.
05 June 2015, 07:50 AM ET
From June 7 through June 21, Mars will be behind the sun from Earth's perspective. This geometry makes radio communications between the two planets difficult, so engineers won't send commands to NASA's Mars spacecraft during this stretch.
04 June 2015, 03:39 PM ET
Throw out your textbooks — there are 10 planets in our solar system.
04 June 2015, 01:40 PM ET
Dwarf planet Ceres and asteroid Pallas, discovered in 1801 and 1802, are visible in the night sky in June. Ceres was originally classified as a planet, then an asteroid, and finally a dwarf planet after further observation.
04 June 2015, 07:00 AM ET
The path to Pluto this summer for NASA's New Horizons spacecraft should be relatively smooth and safe, a new and improved portrait of the dwarf planet's moons suggests.
04 June 2015, 07:00 AM ET
A campaign called "Dear Pluto" aims to get kids around the country excited ahead of the New Horizons spacecraft's historic flyby of the dwarf planet this summer.
03 June 2015, 01:49 PM ET
The potato-shaped Plutonian moon Nix has been found to have an irregular spin. Its odd shape plays a part in its motion according to NASA. It's not a loner though, one of Pluto's other moons, Hydra, also shares the same characteristics.
03 June 2015, 01:08 PM ET
What will we find when we get to Pluto? NASA's New Horizons' team tells Space.com about the discoveries on the horizon and its far reaching implications.
03 June 2015, 01:01 PM ET
Pluto's moons are even stranger and more intriguing than scientists had imagined, observations by NASA's Hubble Space Telescope reveal.
03 June 2015, 06:06 AM ET
Hardy life-forms known as cyanobacteria convert sunlight to energy despite the fact that they often live in shadow. What can the adaptability of these microbes tell scientists about the possibility of life on Mars?
02 June 2015, 03:35 PM ET
The UAE space agency is developing an orbiter to study the atmosphere of Mars. Project managers explain the mission, which is slated for a 2021 launch.
02 June 2015, 12:30 PM ET
On Sunday, May 31, 2015, NASA's Cassini spacecraft successfully made its latest and final flyby of Hyperion, Saturn's spongy moon. And the view was amazing.
02 June 2015, 11:34 AM ET
In August 2014, ESA's Rosetta Spacecraft will rendezvous with Comet 67P/Churyumov-Gerasimenko and deploy the Philae lander. See photos from the Rosetta comet probe.
02 June 2015, 11:00 AM ET
A deluge of new photos by the Rosetta spacecraft shows the haunting alien landscape on the surface of a comet. The images were captured during Rosetta's closest flyby of the space rock.
02 June 2015, 01:20 AM ET
Edwards Air Force Base is a U.S. military facility where cutting-edge aerospace technologies are tested.
01 June 2015, 02:36 PM ET
In 10 seconds, gamma-ray bursts can radiate more energy than the sun will release in 10 billion years. Scientists say new laser instruments set to start up in the near future will have the power to recreate the physics at the heart of these explosions.
01 June 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in May 2014.
31 May 2015, 07:00 AM ET
NASA announced the science instruments for its mission to Europa, SpaceX was certified for U.S. military launches and a tiny solar-sailing spacecraft suffered a glitch in orbit. Here's a look at Space.com's top stories of the week.
30 May 2015, 11:13 AM ET
From a nebula's crimson heart to a dragon's-eye view, don't miss these amazing space images of the week for May 31, 2015.
30 May 2015, 07:30 AM ET
At the World Science Festival in New York, an interactive installation provides an auditory encounter with the NASA satellites that study the Earth.
30 May 2015, 07:30 AM ET
A giant eruption from the sun that scientists thought would hit Earth in 2014 missed because the sun's magnetic field channeled it away from the planet in an unexpected way, researchers say.
30 May 2015, 04:53 AM ET
North American Aerospace Defense Command (NORAD) is a joint military organization of the United States and Canada that looks for threats in aerospace, patrols the skies for missiles and tracks the whereabouts of Santa Claus.
29 May 2015, 02:30 PM ET
The Hubble Space Telescope has been wowing space fans with amazing cosmic views for 25 years, but only because of repairs and upgrades by visiting astronauts. See the tools astronauts used to fix and repair the Hubble Space Telescope.