06 January 2015, 09:52 AM ET
Amazing new images of the Eagle Nebula's iconic Pillars of Creation from the Hubble Space Telescope reveal how the nebula has changed 20 years after Hubble's first photo of the region.
06 January 2015, 07:00 AM ET
Researchers at Sandia National Laboratory can recreate conditions inside the sun, and have found that things don't behave the way they should.
05 January 2015, 06:43 PM ET
In the largest image taken of the galaxy by the space telescope, stars and thousands of star clusters can be seen "embedded in a section of the galaxy’s pancake-shaped disc." The image encompasses over 40,000 light years.
05 January 2015, 06:03 PM ET
The famous feature of the Eagle Nebula has been revisited by the space telescope. It has delivered an incredible infrared light image to go along with new visible light imagery.
05 January 2015, 05:48 PM ET
Researchers from the Harvard-Smithsonian Center for Astrophysics (CfA) are developing a 'clock' to decipher stellar age from their spin.
05 January 2015, 03:55 PM ET
Engineers have found a way to buy some time for the MESSENGER spacecraft, which was due to end its four-year mission in March with a suicidal plung
05 January 2015, 01:57 PM ET
Alien worlds more massive than Earth could harbor long-lasting oceans, according to new research. Scientists have used computer modeling to show that so-called 'super-Earth' planets.
05 January 2015, 11:00 AM ET
Scientists have cooked up a stunning new simulation of the universe that captures the wide variety of galaxies we see in the universe.
05 January 2015, 09:49 AM ET
Becquerel crater, in the Red Planet's Arabia Terra region harbors sulphate-bearing deposits, likely left behind by flowing water. Darker areas are dust that blew in from the north. ESA’s Mars Express HRSC took the images used to make this animation.
05 January 2015, 07:00 AM ET
This spectacular image is of the newfound Comet Lovejoy taken just before the new year. Astrophotographer Justin Ng took the image from Singapore on Dec. 29, 2014.
04 January 2015, 08:00 AM ET
A huge meeting of space scientists kicks off today in Seattle, Washington, as thousands of attendees descend on the coastal city.
02 January 2015, 01:57 PM ET
The 'Zero Gravity Day' hoax currently spreading on the Internet was actually an April Fools' Day joke told in 1976.
02 January 2015, 07:00 AM ET
A recent Search for Extraterrestrial Intelligence (SETI) effort studied 86 candidates in the Kepler space observatory's field for radio signals that could potentially indicate the presence of an intelligent civilization.
02 January 2015, 07:00 AM ET
How habitable was Mars in the past, and does it have signs of life? This is part of what Mars 2020, a successor to Curiosity, will examine when it arrives on Mars.
01 January 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in December 2014.
31 December 2014, 12:22 PM ET
'Interstellar' star Jessica Chastain isn't content to explore the universe just on the silver screen. The actress appears in a new NASA video hailing the agency's efforts in space science and exploration.
31 December 2014, 10:40 AM ET
Problems with NASA's Mars Exploration Rover Opportunity's flash memory have intensified over recent weeks, so Discovery News Space Producer Ian O'Neill spoke with NASA Project Manager John Callas about the severity of the glitches.
31 December 2014, 07:00 AM ET
Researchers suggest that photosynthesis could take place on an alien planet with a bizarre orbit like Mercury's, potentially helping support complex life.
30 December 2014, 04:07 PM ET
The Martian surface is covered with a diverse array of landscapes and features, but this is one of the weirdest: strange spider-like formations that cover the south polar region of Mars.
30 December 2014, 01:36 PM ET
A mystery object at the center of the galaxy has astronomers scratching their heads, and a new piece of information won't be solving the case before the New Year.
30 December 2014, 12:22 PM ET
Tiny CubeSats could soon play a big role in space exploration. For example, one of these miniature satellites — NASA's 'IceCube' craft — is set to blast off in 2016 to test technology for a future mission.
30 December 2014, 07:02 AM ET
Rocky, close-orbiting exoplanets may be stretched out by their parent stars' gravity, researchers say. Such worlds would be extremely hot and and likely inhospitable to life.
30 December 2014, 07:00 AM ET
Dawn has officially entered the Ceres approach phase, after recently emerging from behind the sun relative to Earth and thus coming back into reliable communication range. The probe will enter orbit around Ceres on March 6.
29 December 2014, 04:22 PM ET
Unlike previous visualizations, the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulation incorporates galactic winds into the equation mold the Universe. A team of astronomers from the Universities of Leiden in the Netherland
29 December 2014, 02:42 PM ET
Faced with the job of carefully putting together the $8.8 billion James Webb Space Telescope, NASA and lead contractor Northrop Grumman are starting to run practice assembly tests using a "pathfinder" telescope.
29 December 2014, 01:00 PM ET
How much of the movie "Interstellar" is fiction, and how much is based in fact? Theoretical physicist Kip Thorne writes about his work keeping the science fiction epic within the realm of possibility.
29 December 2014, 11:00 AM ET
In his new book "The Science of Interstellar" (W.W. Norton & Company, 2014), theoretical physicist Kip Thorne discusses his time working on the movie "Interstellar," and his mission to root the film in real science.
29 December 2014, 07:33 AM ET
Here's a look at the top alien-planet discoveries of 2014, from the first potentially habitable Earth-size world to a staggering haul of 715 newly announced exoplanets.
29 December 2014, 07:31 AM ET
Researchers have trained the Hubble Space Telescope on Europa repeatedly since Europa's geysers were first announced last year, in an attempt to confirm and characterize the plumes. But they've come up empty.
28 December 2014, 08:37 AM ET
Venus may have once possessed strange oceans of carbon dioxide fluid that helped shape the planet's surface, researchers say.
26 December 2014, 07:07 AM ET
Mars, like Earth, experiences "macroweather" — atmospheric effects that lie in between short-term weather and long-term climate. The discovery could shed light on the atmospheres of Earth and other planets in the solar system and beyond.
26 December 2014, 07:00 AM ET
One of the most recognizable nebulas of the night sky – the Horsehead Nebula – loses its distinctive shape in a new image released from NASA's Spitzer Space Telescope. In the new photo, the nebula loses its distinctive shape because of infrared light.