10 January 2014, 11:52 AM ET
Time travelers, if they exist amongst us, have yet to betray their period-hopping ways online, according to a fun, new study that tried to search out visitors from another time, based on their digital footprints.
10 January 2014, 09:45 AM ET
"Spirit and Opportunity: 10 Years Roving Across Mars" opened Thursday at the National Air and Space Museum in Washington, D.C. The exhibition features photos taken by Spirit and Opportunity, which landed on the Red Planet in January 2004.
10 January 2014, 09:27 AM ET
The 1-ton Curiosity rover and its tracks are visible in a new image, which was taken by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter on Dec. 11, 2013 and just released today (Jan. 9).
09 January 2014, 04:12 PM ET
Religion and astronomy don't often overlap, but a new NASA X-ray image has captured a celestial object that resembles the "Hand of God." The hand was produced when a star blew up and ejected an enormous cloud of material.
09 January 2014, 02:38 PM ET
An ultraprecise new galaxy map is shedding light on the properties of dark energy, the mysterious force thought to be responsible for the universe's accelerating expansion.
09 January 2014, 12:47 PM ET
A solar flare that erupted on the sun this week could intensify the northern lights, and perhaps bring dazzling auroras as far south as Seattle, Chicago and Boston.
09 January 2014, 11:34 AM ET
This space wallpaper shows a set of images from NASA's Cassini mission that reveal the turbulent power of a monster Saturn storm.
09 January 2014, 09:16 AM ET
According to a new model, tectonically active "super-Earth" exoplanets likely store most of their water in the mantle, leaving exposed continents and oceans that would create a stable climate such as that of Earth.
08 January 2014, 03:29 PM ET
The supermassive singularity at the center of our galaxy (Sgr A*) flares in X-ray radiation every 5 - 10 days. Astronomers swing NASA’s Swift XRT spacecraft to spy on the 4 million solar mass black hole every few days.
08 January 2014, 02:13 PM ET
The five Great Lakes, in all their glory, barely peak out from the veil of clouds and whooshing snowfall above them in a new satellite image captured Monday (Jan. 6) as the Arctic's polar vortex barreled southward.
08 January 2014, 10:51 AM ET
Chad Blakley (lightsoverlapland.com) captured the intense northern lights over Abisko National Park in norther Sweden on January 7th, 2014. The powerful Solar x-flare on the same day may deliver auroras even further south by Jan. 9th.
08 January 2014, 09:54 AM ET
This beautiful space wallpaper taken with the NASA/ESA Hubble Space Telescope shows an example of a bipolar planetary nebula. This object, which is known as Hubble 12 and also catalogued as PN G111.8-02.8, lies in the constellation of Cassiopeia.
08 January 2014, 09:39 AM ET
A massive solar flare erupted from the sun on Tuesday (Jan. 7), rising up from what appears to be one of the largest sunspot groups seen on the star's surface in a decade, NASA officials say.
08 January 2014, 09:19 AM ET
Two independent studies used the Hubble Space Telescope to capture galaxies from the early universe. One spotted galaxies 100 times fainter than previous detections, while the other captured galaxies up to 20 times brighter than similar galaxies.
08 January 2014, 09:12 AM ET
Kepler officials have been invited to submit a funding proposal by Jan. 31 for a new mission called K2, which would effectively extend the telescope's life by using its two reaction wheels to keep Kepler stable.
08 January 2014, 08:58 AM ET
A new set of breathtaking photos reveals a never-before-seen deep view of the universe. Released as the first "Frontier Fields" view from NASA's Hubble Space Telescope, the new images mark the deepest-ever observations of a cluster of galaxies.
08 January 2014, 08:53 AM ET
Violent storm clouds and molten iron rain may be common occurrences on the failed stars known as brown dwarfs, new research suggests. Astronomers found changes in brightness that they believe signify the presence of storm clouds.
07 January 2014, 05:47 PM ET
A fast-spinning star packed tightly with two white dwarf companions may be the best test yet of Einstein's theory of general relativity.
07 January 2014, 05:39 PM ET
Astronomers have detected thousands of planets outside of the solar system, but little is known about their composition. Now, the Gemini Telescope's Planet Imager enables scientists to image exoplanets directly.
07 January 2014, 03:36 PM ET
An X1-class flare erupted from sunspot AR1944 on Jan. 7th, 2014. A geomagnetic storm may affect Earth, possibly resulting in radio interference, or even electrical blackouts. Earlier in the day, a less powerful M-class flare was recorded as well.
07 January 2014, 01:14 PM ET
Were life's origins aided by the impacts of asteroids and comets?
07 January 2014, 12:58 PM ET
Popular astrophysicst Neil deGrasse Tyson lectured other astronomers on the importance of putting scientific information in managable, relatable segments.
07 January 2014, 09:53 AM 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.
07 January 2014, 09:26 AM ET
Five rocky planets are among a slew of newly discovered alien worlds found by NASA's prolific Kepler spacecraft.
06 January 2014, 05:00 PM ET
The exoplanet candidate KOI-314c, which lies about 200 light-years away, is roughly as massive as Earth but is 60 percent larger, thanks to an extremely thick atmosphere, researchers said.
06 January 2014, 04:52 PM ET
There's a new kind of planet to add to Kepler's cornucopia of alien worlds, and you won't find it in Earth's own solar system. Many of the newfound orbs, described here today (Jan. 6) at a meeting of the American Astronomical Society, have a rocky core.
06 January 2014, 04:44 PM ET
This fascinating space wallpaper shows the caterpillar-shaped knot, called IRAS 20324+4057, which is a protostar in a very early evolutionary stage. It is still in the process of collecting material from an envelope of gas surrounding it.
06 January 2014, 04:18 PM ET
A new image from a powerful telescope in Chile reveals massive amounts of dust created in the remnants of an exploded star for the first time.
03 January 2014, 03:06 PM ET
Night sky photographer LeRoy Zimmerman captured these amazing images of aurora borealis over Alaska. See how he captured the views near Fairbanks in early December.
03 January 2014, 02:58 PM ET
Amateur astronomer David Ellison captured this beautiful image of the Horsehead and Flame Nebulas from his backyard in Chatanooga, Tenn. See how he did it here.
02 January 2014, 09:34 AM ET
This space wallpaper shows part of a set of three images revealing views three seconds apart as the larger of Mars' two moons, Phobos, passed directly in front of the sun as seen by NASA's Mars rover Curiosity.
02 January 2014, 08:59 AM ET
Scientists have found evidence of extraterrestrial clouds blanketing two of the most common types of planets in our Milky Way galaxy. One of the alien planets is a so-called 'super-Earth' while the other has been dubbed a 'warm Neptune.'
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