08 April 2015, 01:01 PM ET
The formation of the moon has long remained a mystery, but new studies support the theory that the moon was formed from debris left from a collision between the newborn Earth and a Mars-size rock, with a veneer of meteorites coating both afterward.
08 April 2015, 01:01 PM ET
The discovery of complex organic molecules around a young star suggests that the chemical ingredients required for life exist beyond the solar system.
08 April 2015, 12:26 PM ET
Silkpunk brings ox sinew and silk to a world of imagined technologies.
08 April 2015, 09:30 AM ET
Despite the harsh environment created by the supermassive black hole lurking in the center of the Milky Way galaxy, new observations show that stars - and, potentially, planets - are forming just two light-years away.
08 April 2015, 09:03 AM ET
A new photograph of a distant galaxy looks like it was the inspiration for the 'one ring' in 'The Hobbit,' but it's actually a cosmic phenomenon in which the light from one galaxy is bent into a circle by the gravity of another galaxy.
08 April 2015, 09:00 AM ET
NASA's Dawn spacecraft, which entered orbit around Ceres on March 6, will begin its science campaign at the dwarf planet on April 23.
07 April 2015, 04:50 PM ET
Solid signs of alien life will be spotted within 10 years, and definitive evidence will roll in within 20 to 30 years, NASA chief scientist Ellen Stofan said Tuesday (April 7).
07 April 2015, 03:45 PM ET
A telescope will soon allow astronomers to probe the atmosphere of Earthlike exoplanets for signs of life. To prepare, astronomer Lisa Kaltenegger and her team are modeling the atmospheric fingerprints for hundreds of potential alien worlds.
07 April 2015, 03:15 PM ET
Astronomers working with the ALMA telescope in Chile, took high resolution images of the ring-shaped image of light from a galaxy almost 12 billion light-years away. Such circlets form when a massive cluster of galaxies lies along our line of sight.
07 April 2015, 01:30 PM ET
Living on comets requires great care — the gravity is so weak that you could easily jump off the frozen bodies and into space.
07 April 2015, 01:30 PM ET
Halley's Comet, a dusty ball of ice and frozen gases, spends most of its time in the chilly outland of the solar system. See what it would be like to live on a comet in this infographic.
07 April 2015, 01:02 PM ET
New progress has been reported on the Asteroid Terrestrial-impact Last Alert System, or ATLAS, an asteroid impact early warning system.
07 April 2015, 01:01 PM ET
A new satellite map shows where lightning flashes most often on Earth.
07 April 2015, 01:00 PM ET
As the European Rosetta spacecraft continues to explore Comet 67P/Churyumov-Gerasimenko as it gradually gets closer to the sun, it's having to deal with some very inclement orbital weather.
07 April 2015, 11:00 AM ET
Lunar eclipses occur when Earth's shadow blocks the sun. There are three types; the most dramatic is a total lunar eclipse. Find out when is the next one.
07 April 2015, 08:01 AM ET
When it comes to the search for life beyond Earth, the mantra is always 'follow the water.' But could an environment without H2O give rise to life in a different form? Scientists now say it's theoretically possible.
07 April 2015, 07:01 AM ET
A new study sheds light on how exoplanets in tightly-packed solar systems interact with each other gravitationally by affecting one another's climates and their abilities to support alien life.
07 April 2015, 07:00 AM ET
The deadline for the "Our Pluto" naming campaign — a collaboration involving NASA, the International Astronomical Union (IAU) and the SETI (Search for Extraterrestrial Intelligence) Institute — has been extended to April 24.
06 April 2015, 08:37 PM ET
When the scale of the universe overwhelms you, it helps to remember you still need to feed the cat.
06 April 2015, 02:30 PM ET
Crewmembers aboard the International Space Station have assisted in picking spots on Mars for investigation by the Opportunity robot now wheeling about on that distant world.
06 April 2015, 02:22 PM ET
Thanks to instruments on board NASA's New Horizon's spacecraft, which will fly by Pluto this summer, scientists are able to get an unprecedented look at the space weather near the dwarf planet.
06 April 2015, 10:00 AM ET
An array of celestial flowers is blooming in this amazing panorama by sky photographer Terry Hancock.
06 April 2015, 08:00 AM ET
A company called Tethers Unlimited is developing an in-space manufacturing system called "SpiderFab," which would use arachnidlike robots to put together large objects in orbit or beyond.
06 April 2015, 07:35 AM ET
A new exhibit at the American Museum of Natural History in New York highlights extreme examples of life on Earth, and what they may tell us about life elsewhere in the universe.
06 April 2015, 07:01 AM ET
A Japanese spacecraft will get a second chance to orbit Venus this December, five years after zooming past the planet on its first attempt. The Akatsuki probe will try again on Dec. 7.
05 April 2015, 10:15 AM ET
What were our favorite stories of the week? This week had something for every kind of space fan. Find out our favorite stories of the past seven days below:
04 April 2015, 06:25 PM ET
From strange 'Hollows' on Mercury to eerie green space clouds, don't miss these amazing space images of the week for April 4, 2015.
04 April 2015, 11:01 AM ET
A new image-processing technique is bringing Saturn's largest moon, Titan, into clearer view than ever before.
04 April 2015, 11:00 AM ET
On April 4, 2015, the moon will pass through Earth's shadow in a total lunar eclipse. Learn how to watch the total lunar eclipse with the skywatching guide images in this gallery.
03 April 2015, 04:20 PM ET
Don't forget to look skyward in the early hours of the morning tomorrow (April 4), to catch a glimpse of the shortest total lunar eclipse of the century, and the third of a four-eclipse "tetrad" visible from the United States.
03 April 2015, 01:31 PM ET
A massive protostar connects young stars that have spherical winds to those that push through extended columns.
03 April 2015, 01:00 PM ET
The fourth-annual International Space Apps Challenge takes place worldwide April 10 to 12, and calls on citizen scientists to come up with creative ways to use data to solve global problems.