03 September 2014, 12:44 PM ET
A NASA satellite watched as a huge filament of plasma that had been creeping across the face of the sun erupted yesterday (Sept. 2).
03 September 2014, 11:50 AM ET
If you have any predictions about the state of space exploration a decade from now, NASA would like to hear them. The agency is soliciting messages for a 'time capsule' to fly aboard its Osiris-Rex asteroid mission.
03 September 2014, 09:30 AM ET
NASA's Solar Dynamics Observatory captured imagery of the filament that snaked across a huge area on the Sun. According to Spaceweather.com, "debris from the blast is hurtling in the general direction of Earth.
03 September 2014, 06:01 AM ET
A dark, spider-shaped cloud of cosmic gas blocks out light from stars in a new image taken by a telescope in the Southern Hemisphere.
03 September 2014, 06:00 AM ET
The La Silla Observatory's MPG/ESO 2.2m telescope observed the Lupus 4 cloud, which lies 400 light years from Earth. This light-blocking cloud will one day give birth to stars. Full Story: http://goo.gl/4omk50
02 September 2014, 05:03 PM ET
Electric sparks might have helped break down lunar soil, suggesting the moon may be significantly more active than previously thought. The phenomenon may take place throughout the solar system, from Mercury to the moons of Jupiter and Saturn.
02 September 2014, 07:00 AM ET
Alien organisms may betray their presence by pumping stinky chemicals into their home planets' skies, researchers say.
31 August 2014, 01:06 AM ET
What was your favorite space news story of the last week?
30 August 2014, 12:22 PM ET
From donning a new space suit to a beautiful star explosion, don't miss these amazing space images of the week for Aug. 30, 2014.
30 August 2014, 06:52 AM ET
What makes our sun shine has been a mystery for most of human history.
30 August 2014, 03:46 AM ET
Life, and work, in a simulated Mars environment.
29 August 2014, 07:45 PM ET
Four generations of researchers are on the hunt for gravitational waves.
29 August 2014, 03:52 PM ET
A new NASA mission launched in the Arctic this week could help scientists learn more about Earth's changing climate.
29 August 2014, 03:37 PM ET
When you think of the U.S. Air Force, the Federal Aviation Authority and the FBI, a team of starry-eyed film students may not necessarily come to mind as a potential partner for science.
29 August 2014, 07:01 AM ET
NASA's GOES-West satellite snapped a photo of Marie at 11:00 a.m. EDT Thursday (Aug. 28), the same day it was downgraded from a hurricane to a tropical storm. Marie was about 865 miles west of Punta Eugenia, Mexico at the time.
28 August 2014, 02:56 PM ET
A new measurement, which used quasars as bright and consistent relative-distance markers, charted the famous "Seven Sisters" star cluster at 136.2 parsecs, or 444 light-years, away from Earth.
28 August 2014, 02:01 PM ET
The researchers detected a huge disk of dusty debris around a sunlike star called NGC-2547 ID8. The cloud was likely spawned when two planetary building blocks slammed into each other just two years ago or so, scientists said.
28 August 2014, 07:00 AM ET
The Holometer project, which is based at the U.S. Department of Energy's Fermi National Accelerator Laboratory (Fermilab) in Illinois, is now operating at full power, probing the very nature of space-time itself.
27 August 2014, 03:29 PM ET
Power winds emanating from the binary system's stars interact and are being studied with the help of Chandra X-ray Observatory imagery. The system harbors one of the largest and brightest stars in the Milky Way.
27 August 2014, 02:17 PM ET
Galaxy GOODS-N-774 has been observed by NASA and ESA space telescopes and the W.M. Keck Observatory. The view is how it appeared 11 billion years ago.
27 August 2014, 01:11 PM ET
NASA cryospheric program manager Dr. Tom Wagner talks to Space.com's @MiriKramer about how the space agency is trying determine the causes of the ice loss and how it affects Earth.
27 August 2014, 01:01 PM ET
Stars are giant fusion reactors, smashing protons together to produce energy.
27 August 2014, 01:01 PM ET
Supernovas may spark from catastrophic nuclear explosions on dead white dwarfs. The scenario has long been theorized by scientists, but now direct evidence has been found.
27 August 2014, 01:00 PM ET
Particles released from the core of the sun confirm existing models of the fusion process that drives the star.
27 August 2014, 07:13 AM ET
Scientists working to detect gravitational waves from black holes and other exotic phenomena billions of light years away, pass their passion to future generations. A new film, by Kai Staats, is coming.
26 August 2014, 05:45 PM ET
Mission team members had been considering drilling a rock dubbed "Bonanza King" but scrapped the idea after pre-drilling activities suggested that the stone is not stable enough. Curiosity has instead resumed the long drive to the towering Mount Sharp.
26 August 2014, 04:24 PM ET
Astronomers observing with the Atacama Large Millimeter/submillimeter Array (ALMA) have been able to image merging galaxy H-ATLAS J142935.3-002836. A foreground galaxy gravity magnified the light of the merger to deliver the image.
26 August 2014, 02:52 PM ET
The sun kicked off this week with an explosive solar flare that, while not aimed directly at Earth, may be a hotspot to watch over the next few days.
26 August 2014, 06:00 AM ET
NASA's Voyager 2 spacecraft made the first-ever flyby of Neptune on Aug. 25, 1989, zipping by the planet and its moon Triton in quick succession. The historic encounter gave a face to two worlds that until that time had dwelt in depth and shadow.
25 August 2014, 09:12 PM ET
What happens when two black holes pass in the night?
25 August 2014, 06:06 PM ET
A robotic space probe is due to set down on a comet in November, and now scientists have identified five sites where it could land.
25 August 2014, 05:36 PM ET
Data from instruments aboard a NASA sounding rocket corroborates the claim that about 10 million years ago a cluster of supernova explosions blew a bubble in the interstellar medium. Today Earth resides in that bubble.