Science & Astronomy Archive
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.
03 April 2015, 07:00 AM ET
Researchers shipped eight colonies of ants to the International Space Station to study their search behavior in microgravity.
03 April 2015, 07:00 AM ET
NASA's Hubble Space Telescope has photographed a number of gas clouds that glow a ghostly green, thanks to radiation blasted out by superpowerful quasars. See the photos in this Hubble photo gallery.
03 April 2015, 07:00 AM ET
The eight objects betray the past presence of quasars, the most luminous objects in the universe, whose powerful beams of radiation lend the clouds their ethereal glow, researchers said.
03 April 2015, 07:00 AM ET
Scientists are still trying to understand what causes Mars' myriad dark streaks, and what these features might mean for the possible existence of Red Planet life.
02 April 2015, 04:11 PM ET
The Planetary Society — a nongovernmental space advocacy organization — has announced its support of a plan to send humans into orbit around Mars' moon Phobos by 2033 and to the surface of the Red Planet by 2039.
02 April 2015, 11:50 AM ET
You're not seeing double; these are two images of the same world: icy, cratered Rhea, the second-largest natural satellite of Saturn.
02 April 2015, 07:00 AM ET
The close orbit of NASA's MESSENGER spacecraft provides a world of detail about features on the rocky planet Mercury.
02 April 2015, 07:00 AM ET
The rocks, which lie at a site dubbed Garden City near the base of the 3.4-mile-high (5.5 kilometers) Mount Sharp, harbor ridges up to 2.5 inches (6 centimeters) tall that are composed of bright and dark mineral veins.
01 April 2015, 11:57 PM ET
The astronauts living and working on the International Space Station are eye to eye with a deadly super typhoon as it heads toward the Philippines.
01 April 2015, 06:00 PM ET
Lunar lava tubes may be large enough to house whole cities of future colonists, scientists say.
01 April 2015, 05:27 PM ET
NASA's Osiris-Rex mission has passed a crucial milestone, moving from the design and development phase to the spacecraft-building stage, agency officials announced Monday (March 31).
01 April 2015, 04:47 PM ET
A new program will search for hard-to-spot gravitational waves by looking at how they distort the signals of fast-spinning millisecond pulsars.
01 April 2015, 03:11 PM ET
The orbiting Global Precipitation Measurement (GPM) Constellation quantifies precipitation across the entire Earth. Data 'swaths' from 10 satellites overlay to form NASA's animated Integrated Multi-satellite Retrievals for GPM (IMERG).
01 April 2015, 01:54 PM ET
Material falling onto a growing gas giant's core may provide the push needed to keep the planet from spiraling into its star. The discovery could solve the 30-year mystery of how distant gas giants, such as Jupiter, survive their formation period.