25 September 2015, 03:21 PM ET
If there’s one thing we’ve learned from NASA’s New Horizons flyby on July 14, it’s that we have a really incomplete understanding of planetary evolution. And now, in a new image release by the Pluto mission, there’s yet another landscape (actually, landsc
25 September 2015, 02:54 PM ET
What should observers expect to see happen during Sunday night's total lunar eclipse? Check out our guide to find out!
25 September 2015, 11:00 AM ET
The new Hubble photos, which researchers combined into several videos, show the Veil Nebula, a colorful cloud of material 110 light-years wide that lies about 2,100 light-years from Earth in the constellation Cygnus (The Swan).
25 September 2015, 07:00 AM ET
The supermassive black hole at the heart of a recently discovered galaxy called SAGE0536AGN is about 30 times larger than it should be, and astronomers don't know why.
24 September 2015, 05:32 PM ET
The Hubble Space Telescope's Wide Field Camera 3 has returned incredible imagery of the supernova remnant locoed 2100 light-years away in the Cygnus constellation. A comparison of imagery from 1997 shows that the gas filaments have moved.
24 September 2015, 02:25 PM ET
Two black holes, circling one another on their way to merging together, can create ripples in spacetime, but the waves are weaker than previously thought.
24 September 2015, 12:23 PM ET
Now that we've seen the diverse landscapes on Pluto, what does it all mean?
24 September 2015, 07:00 AM ET
Myths abound about the moon, from the fabled "dark side" to the persistent belief that the Apollo landings were faked. Here's a look at some major lunar misconceptions, just in time for Sunday's rare "supermoon" total lunar eclipse.
24 September 2015, 07:00 AM ET
The Mars Orbiter Mission (MOM) spacecraft, also known as Mangalyaan, arrived at the Red Planet on the night of Sept. 23, 2014 (Sept. 24 GMT and Indian Standard Time) — just two days after NASA's MAVEN probe reached Mars orbit.
23 September 2015, 04:55 PM ET
The winning images from the Insight Astronomy Photographer of the Year competition were announced last week, and the list is an awe-inspiring collection of celestial awesomeness.
23 September 2015, 04:31 PM ET
The Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft arrived in orbit around the Red Planet on Sept. 21, 2014, 10 months after blasting off from Florida's Cape Canaveral Air Force Station.
23 September 2015, 02:29 PM ET
The most luminous galaxies in the universe likely formed slowly via gradual accretion of gas, rather than rapidly via mergers with other galaxies, new research suggests.
23 September 2015, 01:29 PM ET
Extremely luminous early galaxies – such as those simulated here in infrared light – established the structure of galactic clusters observed today by sub-millimeter wavelength telescopes.
23 September 2015, 01:01 PM ET
Observations by the European Space Agency's Rosetta spacecraft show that surface ice on Comet 67P/Churyumov-Gerasimenko, which Rosetta has been orbiting since August 2014, appears and disappears on a daily cycle tied to illumination by the sun.
23 September 2015, 09:41 AM ET
Future residents of the Moon’s Nearside will be treated to a 'fire-ringed' Earth during lunar eclipse totality (as Earth's shadow completely envelops the Moon, turning it "blood red").
23 September 2015, 07:15 AM ET
After spending more than two years in a weightless environment, whiskey distillate on the International Space Station tastes different from control samples on Earth, a whiskey company reported.
23 September 2015, 07:11 AM ET
The dark, fingerlike features that creep down steep Martian slopes in warm weather continue to puzzle scientists, and generate debate about the best ways to investigate the features.
23 September 2015, 07:00 AM ET
Omega Nebula, Swan Nebula, Checkmark Nebula, Horseshoe Nebula, Lobster Nebula — whatever you call it, the spectacular star-forming Messier 17 sparkles in a new photo.
23 September 2015, 06:00 AM ET
Swan, Omega, Horseshoe, Checkmark, Lobster and the names don't end there for Messier 17 (its proper astronomical designation). Located 5500 light-years from Earth in the Sagittarius constellation.
22 September 2015, 05:24 PM ET
This weekend's rare supermoon total lunar eclipse offers a mix of risk and scientific opportunity for NASA's Lunar Reconnaissance Orbiter, which has been studying Earth's nearest neighbor up close since 2009.
22 September 2015, 04:00 PM ET
A spectacular photo of Saturn's night side and its rings plus a glimmer of moon, from the Cassini spacecraft, shows just how dark the planet can get.
22 September 2015, 04:00 PM ET
See images of the ringed planet from NASA's Cassini spacecraft in orbit around Saturn.
22 September 2015, 12:47 PM ET
A new video called "To Scale: The Solar System" does its best to teach viewers just how vast our cosmic backyard really is, by creating a scale model of Earth's neighborhood in Nevada's Black Rock Desert.
22 September 2015, 08:00 AM ET
Here's a skywatching guide for the Sept. 27 "supermoon" total lunar eclipse — the first such event since 1982, and the last until 2033.
22 September 2015, 07:47 AM ET
Simulations suggest that Saturn's north polar hexagon is shaped by shallow jets at the cloud level. Winds below the cloud level apparently help keep the shape of the hexagon sharp and control the rate at which the hexagon drifts.
22 September 2015, 07:41 AM ET
On Thursday (Sept. 17), officials with NASA and the U.S. Agency For International Development (USAID) showcased the ways satellite data helps developing countries manage their resources and deal with natural disasters.
21 September 2015, 04:30 PM ET
The new Pluto animation stitches together images captured by NASA's New Horizons spacecraft during its historic flyby on July 14, which returned the first-ever up-close looks at the faraway dwarf planet.
21 September 2015, 09:43 AM ET
Actress Nichols recently rode a promotional flight on NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA), a modified Boeing 747SP aircraft equipped with a large infrared reflector telescope.
21 September 2015, 06:53 AM ET
With a week until the huge supermoon lunar eclipse, it's time to dust off your small telescopes and binoculars, track down an observatory event or webcast, or draft your invitations for a moon-cake party.
21 September 2015, 06:30 AM ET
Scientists are developing a mission concept that would send a probe flying through the plume created by the 100-odd geysers erupting from the south polar region of Saturn's ice-covered moon Enceladus.
20 September 2015, 04:37 PM ET
Jeff Bezos announced a new home for Blue Origin and NASA astronaut Scott Kelly reflected on having six more months in orbit. This is our roundup of the best space stories of the week, for Sept. 18, 2015.
18 September 2015, 11:06 PM ET
From a partial solar eclipse to a new view of Pluto, don't miss these amazing space images.