08 January 2015, 12:45 PM ET
Find out the current moon phases. The moon cycles through eight phases every month.
08 January 2015, 11:00 AM ET
After pointing the Allen Telescope Array at a newly-found exoplanet discovered by NASA's Kepler space telescope, SETI reports there is no transmitting alien civilization. But the search continues.
08 January 2015, 07:00 AM ET
Just a year after opening its eyes, the Gemini Planet Imager has already detected unexpected differences between two sister exoplanets and helped characterize the ring of dust and rocky bodies surrounding a young star.
07 January 2015, 04:00 PM ET
Newly announced discoveries by NASA's Kepler space telescope suggest that the first true alien Earth may not elude planet hunters for much longer.
07 January 2015, 02:50 PM ET
7500 light-years away, Eta Carinae's pair of ‘superstars’ (30 and 90 solar masses) outshine our Sun more than 6 million times over, whipping up a frenzy of stellar winds.
07 January 2015, 11:20 AM ET
The Higgs boson, the so-called 'God particle,' could have destroyed the universe shortly after the Big Bang, but the force of gravity saved the cosmos, scientists say.
07 January 2015, 07:13 AM ET
A telescope in Chile has captured a striking 'dark nebula' acting as a cosmic shroud to hide hundreds of baby stars from view about 700 light-years from Earth. See the images and video.
07 January 2015, 07:10 AM ET
The Lynds Dark Nebula 483 (LDN 483), located 700 light-years away in the constellation Serpens, blocks hundreds of background stars from the view of the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
06 January 2015, 05:52 PM ET
Ashwin Vasavada, of NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, has succeeded John Grotzinger as Curiosity project scientist, agency officials announced Monday (Jan. 5).
06 January 2015, 05:09 PM ET
A European lander currently hibernating on a comet, did not successfully sample the icy body using a drill after the probe made its historic comet landing in November.
06 January 2015, 04:45 PM ET
Eight newfound alien planets appear to orbit in their parent stars' habitable zone — that just-right range of distances that may allow liquid water to exist on a world's surface — and all of them are relatively small, researchers said.
06 January 2015, 02:00 PM ET
NASA's Kepler Space Telescope has discovered its 1,000th alien planet, further cementing the mission's status as a space-science legend. Kepler has found more than half of all known exoplanets to date, and the numbers will keep rolling in.
06 January 2015, 11:53 AM ET
Captured by the Chandra X-ray Observatory in 2013 an outburst 400X brighter is the highest energy event observed so far from our galaxy’s central black hole. In October 2014, a smaller flare 200X brighter than normal was recorded.
06 January 2015, 10:30 AM ET
A tiny, self-contained greenhouse has been selected to fly on the robotic lander that Red Planet colonization effort Mars One intends to launch in 2018, group representatives announced today (Jan. 5).
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.