06 February 2014, 03:38 PM ET
NASA's Mars rover Curiosity has snapped its first photo of Earth from the surface of the Red Planet, an amazing image that also includes the moon. See the photos here.
06 February 2014, 03:14 PM ET
On Tuesday at precisely 12:55 p.m. EST (17:55 UTC), Mars rover Curiosity successfully breached the crest of the dune in “Dingo Gap.” The 1 meter-high dune stands between the rover and a smoother route to the mission’s next science target
06 February 2014, 02:01 PM ET
"Dynamic Earth," a video created by staffers at NASA's Scientific Visualization Studio and their colleagues, took first prize in the 2013 International Science and Engineering Visualization Challenge.
06 February 2014, 02:00 PM ET
"Dynamic Earth" is the video winner of the 2013 International Science and Engineering Visualization Challenge, jointly sponsored by the National Science Foundation and the journal Science.
06 February 2014, 11:24 AM ET
A dramatic, fresh impact crater on Mars dominates this spectacular space wallpaper taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter on Nov. 19, 2013.
06 February 2014, 06:01 AM ET
At Mount Hamilton, on Fremont Peak and in Sunnyvale, Calif., three sets of mechanical eyes watch the heavens for tiny streaks of light. The cameras are part of a project to monitor the night sky for meteors.
06 February 2014, 12:33 AM ET
NASA's Mars Reconnaissance Orbiter photographed the crater on Nov. 19, 2013. Scientists know the feature formed sometime between July 2010 and May 2012, because other MRO observations show big changes in the area between those two dates.
05 February 2014, 04:17 PM ET
The $8.8 billion James Webb Space Telescope, now in what is expected to be the most expensive year of its protracted development, could find itself back in trouble if Congress cannot keep the money coming.
05 February 2014, 01:01 PM ET
Black holes acting as companions to early stars may have taken more time to raise the temperature of the ancient universe than previously thought, a new study suggests.
05 February 2014, 01:00 PM ET
Astronomers have discovered an alien planet that wobbles at such a dizzying rate that its seasons must fluctuate wildly. The faraway world, which is 2,300 light-years away, was spied by NASA's planet-hunting Kepler space telescope.
05 February 2014, 12:05 PM ET
The faint spot at the center of this space wallpaper from ESO's Very Large Telescope is the Near-Earth Object 2009 FD. It may look insignificant, but there was a possibility that this asteroid would collide with the Earth in the future.
05 February 2014, 06:01 AM ET
The innards of an asteroid in space have been measured for the first time. Astronomers using a European Southern Observatory telescope have made precise measurements of Asteroid Itokawa's density.
05 February 2014, 06:00 AM ET
By analyzing brightness, as it rotates, astronomers see how asteroid 25143 Itokawa’s surface may be changing and gain clues to its interior. Images collected by Japan’s Hayabusa probe in 2005, plus ESO’s New Technology Telescope, form this animation.
04 February 2014, 04:38 PM ET
Bill Nye the Science Guy is set to defend evolution tonight (Feb. 4) in a debate with the founder of Kentucky's Creation Museum, Ken Ham.
04 February 2014, 04:30 PM ET
NASA's flagship space telescope has passed a major milestone: The final three mirrors of the James Webb Space Telescope (JWST) have arrived at NASA's Goddard Spaceflight Center in Greenbelt, Md.
04 February 2014, 02:12 PM ET
This stunning space wallpaper shows a rainbow of lunar transits as seen by NASA's Solar Dynamics Observatory. The observatory watches the sun in many different wavelengths of light, which are each colorized in a different color.
04 February 2014, 11:53 AM ET
The James Webb Space Telescope will be able to spot multiple objects at the same time with its NIRspec instrument, the first for a satellite spectrometer.
04 February 2014, 11:30 AM ET
NASA's newest moon probe now has a little extra time to investigate lunar mysteries from orbit around Earth's natural satellite.
04 February 2014, 10:32 AM ET
A highly magnetic neutron star (Magnetar SGR 0418) has a much weaker magnetic field at its surface than others of its kind, but can still muster high-energy flares. Researchers believe a strong magnetic field lies tightly wrapped beneath its surface.
04 February 2014, 10:22 AM ET
Two Milky Way-sized spiral galaxies (the NGC 6240 system) will eventually become one elliptical galaxy with a mass of >10 billion Suns harboring one mega-singularity. The merger may touch off huge gravity waves.
04 February 2014, 09:21 AM ET
Just a few fundamental physical constants that govern the physics of the universe can be used to predict everything from the size of the tallest mountain on a planet to the size of a neutron star.
04 February 2014, 07:00 AM ET
The 3-foot-high dune separates Curiosity from a valley that may provide a smooth route to Mount Sharp, the rover's ultimate science destination. Curiosity's handlers are studying the new photo as they map out the rover's next steps.
04 February 2014, 07:00 AM ET
From its perch in space, a NASA satellite captured a partial solar eclipse and the eruption of a solar flare on the same day. The space agency's sun-watching Solar Dynamics Observatory saw the dual phenomena on Jan. 30.
04 February 2014, 07:00 AM ET
Astronauts have been installing special equipment that will launch 33 "cubesats" from the space station this month, with the first round of ejections scheduled to take place on Thursday (Feb. 6).
03 February 2014, 05:26 PM ET
You can learn all about the complex world of plants — and how a better understanding of plants here on Earth could aid the search for alien life — in a live webcast Tuesday night (Feb. 4).
03 February 2014, 04:50 PM ET
The mystery of a strange rock on Mars that suddenly appeared in front of NASA's Opportunity rover has warped into the final frontier. Even 'Star Trek' actor William Shatner wants to know what's going on.
03 February 2014, 04:30 PM ET
An amazing new photo of Saturn's north pole puts the planet's odd hexagon-shaped jet stream and dazzling rings on display.
03 February 2014, 03:59 PM ET
A CubeSat deployer brought to the International Space Station on the Cyngus capsule in January has been installed in in the Japanese Experiment Module Airlock and will start deploying the tiny satellites Februay 6th.
03 February 2014, 01:34 PM ET
This space wallpaper is an artist's impression based on the first ever map of the weather on the surface of the nearest brown dwarf to Earth.
03 February 2014, 01:06 PM ET
Shimizu Corporation is developing plans to install a belt of solar cells around the equator of the Moon to beam energy via safe microwaves and lasers to Earth. A 2035 construction start date would mark 50 years the company has been planning this.
03 February 2014, 11:12 AM ET
As if NASA didn't have enough to worry about, the U.S. space agency is now faced with the scandal of the century — they’re being sued for not investigating a bona fide life form on Mars! And it all is due to a mystery rock found by the rover Opportunity.
03 February 2014, 06:28 AM ET
Previous modeling work had suggested that Earth's axial tilt would vary wildly over long time spans without the moon's steadying gravitational influence, creating huge climate swings that would make it tough for life to get a foothold.